Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.

Rain forests cover less than six percent of the earth’s area, but they have 100,000 kinds of all the kinds of plants on the earth. Three-fourths of known kinds of plants and animals call the rain forest their home. Twenty percent of our different kinds of medicine comes from rain forests. The glues on an envelope and in shoes come from tropical plants. Rain forests provide materials for hundreds of other products.

Rain forests are also very important to the world’s climate. The Amazon rain forest alone receives about thirty to forty percent of the total rainfall on the earth and products about the same percentage of the world oxygen. Some scientists believe that the decreasing size of rain forests will affect the climate on the earth, making it uncomfortable or even dangerous for life.

Saving rain forests is an international problem. One country, or even a few countries, cannot solve the problem alone. The nations of the world must work together to find a solution before it is too late.

How many known kinds of plants and animals call the rain forests their home?

A. 4/3

B. 3/4

C. 40/3

D. 3/40

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.

Rain forests cover less than six percent of the earth’s area, but they have 100,000 kinds of all the kinds of plants on the earth. Three-fourths of known kinds of plants and animals call the rain forest their home. Twenty percent of our different kinds of medicine comes from rain forests. The glues on an envelope and in shoes come from tropical plants. Rain forests provide materials for hundreds of other products.

Rain forests are also very important to the world’s climate. The Amazon rain forest alone receives about thirty to forty percent of the total rainfall on the earth and products about the same percentage of the world oxygen. Some scientists believe that the decreasing size of rain forests will affect the climate on the earth, making it uncomfortable or even dangerous for life.

Saving rain forests is an international problem. One country, or even a few countries, cannot solve the problem alone. The nations of the world must work together to find a solution before it is too late.

What percent of the total rainfall on the earth does the Amazon rain forests receive?

A. exactly 30 to 40

B. about 30 to 40

C. about 20 to 30

D. less than 30

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.

Rain forests cover less than six percent of the earth’s area, but they have 100,000 kinds of all the kinds of plants on the earth. Three-fourths of known kinds of plants and animals call the rain forest their home. Twenty percent of our different kinds of medicine comes from rain forests. The glues on an envelope and in shoes come from tropical plants. Rain forests provide materials for hundreds of other products.

Rain forests are also very important to the world’s climate. The Amazon rain forest alone receives about thirty to forty percent of the total rainfall on the earth and products about the same percentage of the world oxygen. Some scientists believe that the decreasing size of rain forests will affect the climate on the earth, making it uncomfortable or even dangerous for life.

Saving rain forests is an international problem. One country, or even a few countries, cannot solve the problem alone. The nations of the world must work together to find a solution before it is too late.

According to the passage, what must the nations of the world do to find a solution?

A. work together

B. save their lives

C. work alone

D. save rain forests only

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

        Spring is coming and it’s time for us to grow plants. Of course, not all plants are (23) _________ in season. This makes it very (24) _________ to pick the best plants to grow. The good news is that there are tons of choices. Do you know that plants can grow in nearly every climate?

It's true that some plants are picky but most are super (25) _________ and only require water, dirt and of course sun. This spring is the (26) _________ time to start your own garden. There are three amazing plants that work in every single climate. The first plant is spinach. Spinach is very easy to grow because it removes water well and can (27) _________ different levels of heat. The second one is carrots. There are many types of carrots you can grow. Most carrots are very quick to grow and also handle all types of climates as well. The third one is tomatoes. There are tons of different types of tomatoes. It’s easy to find the perfect tomato for any location. Go plant some plants!

Điền vào số (24)

A. easy       

B. fun         

C. stressful  

D. dif

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

        Spring is coming and it’s time for us to grow plants. Of course, not all plants are (23) _________ in season. This makes it very (24) _________ to pick the best plants to grow. The good news is that there are tons of choices. Do you know that plants can grow in nearly every climate?

It's true that some plants are picky but most are super (25) _________ and only require water, dirt and of course sun. This spring is the (26) _________ time to start your own garden. There are three amazing plants that work in every single climate. The first plant is spinach. Spinach is very easy to grow because it removes water well and can (27) _________ different levels of heat. The second one is carrots. There are many types of carrots you can grow. Most carrots are very quick to grow and also handle all types of climates as well. The third one is tomatoes. There are tons of different types of tomatoes. It’s easy to find the perfect tomato for any location. Go plant some plants!

Điền vào số (26)

A. worst     

B. fun         

C. perfect   

D. better

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

        Spring is coming and it’s time for us to grow plants. Of course, not all plants are (23) _________ in season. This makes it very (24) _________ to pick the best plants to grow. The good news is that there are tons of choices. Do you know that plants can grow in nearly every climate?

It's true that some plants are picky but most are super (25) _________ and only require water, dirt and of course sun. This spring is the (26) _________ time to start your own garden. There are three amazing plants that work in every single climate. The first plant is spinach. Spinach is very easy to grow because it removes water well and can (27) _________ different levels of heat. The second one is carrots. There are many types of carrots you can grow. Most carrots are very quick to grow and also handle all types of climates as well. The third one is tomatoes. There are tons of different types of tomatoes. It’s easy to find the perfect tomato for any location. Go plant some plants!

Điền vào số (25)

A. flexible  

B. picky      

C. divine     

D. cranky

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

        Spring is coming and it’s time for us to grow plants. Of course, not all plants are (23) _________ in season. This makes it very (24) _________ to pick the best plants to grow. The good news is that there are tons of choices. Do you know that plants can grow in nearly every climate?

It's true that some plants are picky but most are super (25) _________ and only require water, dirt and of course sun. This spring is the (26) _________ time to start your own garden. There are three amazing plants that work in every single climate. The first plant is spinach. Spinach is very easy to grow because it removes water well and can (27) _________ different levels of heat. The second one is carrots. There are many types of carrots you can grow. Most carrots are very quick to grow and also handle all types of climates as well. The third one is tomatoes. There are tons of different types of tomatoes. It’s easy to find the perfect tomato for any location. Go plant some plants!

Điền vào số (23)

A. actually  

B. today      

C. currently 

D. actively

Read the following passage and mark the letter A, B, C, or D on your answer sheet to indicate the correct word or phrase that best fits each of the numbered blanks from 23 to 27.

        Spring is coming and it’s time for us to grow plants. Of course, not all plants are (23) _________ in season. This makes it very (24) _________ to pick the best plants to grow. The good news is that there are tons of choices. Do you know that plants can grow in nearly every climate?

It's true that some plants are picky but most are super (25) _________ and only require water, dirt and of course sun. This spring is the (26) _________ time to start your own garden. There are three amazing plants that work in every single climate. The first plant is spinach. Spinach is very easy to grow because it removes water well and can (27) _________ different levels of heat. The second one is carrots. There are many types of carrots you can grow. Most carrots are very quick to grow and also handle all types of climates as well. The third one is tomatoes. There are tons of different types of tomatoes. It’s easy to find the perfect tomato for any location. Go plant some plants!

Điền vào số (27)

A. hold      

B. sit  

C. stand      

D. remove