Choose the most meaningful sentence written from the given words.

106. Debris/ the aircraft/ scattered/ large area.

A. Debris from the aircraft were scattered over a large area.

B. Debris from the aircraft was scattered over large area.

C. Debris from the aircraft was scattered over a large area.

D. Debris from the aircraft were scattered over large area.

107. Australians/ native speakers/ English/ because/ they/ use/ it/ mother tongue.

A. Australians are native speaker of English because they use it as their mother tongue.

B. Australians are native speakers of English because of they use it as their mother tongue.

C. Australians are native speakers of English because they use it as their mother tongue.

D. Australians are native speakers of English because they used it as their mother tongue.

108. How/ you/ think/ people/ communicate/ the future?

A. How do you think people will communicate in the future?

B. How do you think people communicate in the future?

C. How do you think people are going to communicate in the future?

D. How do you think will people communicate in the future?

109. It/ important/ be/ polite/ respectful/ when/ you/ online.

A. It is important being polite and respectful when you are online.

B. It is important to be polite and respectful when you were online.

C. It is important being polite and respectful when you were online.

D. It is important to be polite and respectful when you are online.

110. I/ disagree/ idea/ robots/ only/ bring/ benefits/ people/ future.

A. I disagree with the idea that robots only bring benefits with people in the future.

B. I disagree with the idea that robots will only bring benefits to people in the future.

C. I disagree with the idea that robots would only bring benefits to people in the future.

D. I disagree with the idea that robots will only bring benefits with people in the future

Choose the underlined part that needs correction in each of the following questions.

86. What will Nick do at about 2.30 p.m. this Sunday?

87. I am looking forward to receive your client’s cheque for the sum of £570 within the next seven days.

88. A flying saucer is sometimes referred to as an Unidentifying Flying Object (UFO).

89. Jacob asked me how much did I know about the Red Planet?

90. Mike said that he would have an accident the day before.

Choose the underlined part that needs correction in each of the following questions.

81. They have been exchanged letters in a penfriend project since 2013.

82. Thank to scientific progress, our world will be transformed greatly.

83. You may have a little difficulty to drive at night.

84. She asked me if I could come to her party tomorrow.

85. He decided to not apply for that job because he didn’t have all the necessary qualifications.

Cho tam giác ABC vuông tại A, AB = 5; AC = 12. Ba đường trung tuyến AD, BE, CF gặp nhau tại G. So sánh GA, GB, GC?

a) Cho P(x) = a³ + bx² + cx + d

c/m: Nếu a + b + c + d = 0 thì x = 1 là một nghiệm của P(x)

b) Cho P(x) = x³ – 2x² – 5x + 6

+) -2; 3 có là nghiệm của P(x) không?

+) Tìm nghiệm của P(x)

Làm giúp mình câu b với câu c với

Find and correct a mistake in each sentence.

1. I think that (A) solar energy can be an alternatively (B) source of (C) energy in the near (D) future.

2. I try to spend (A) some time (B) with my children although being (C) very busy (D).

3. Day of the Dead is a superstition (A) festival to remember (B) people who (C) have passed away (D).

4. In the future, the wind and (A) the sun will use (B) as the most (C) important energy sources (D).

5. The (A) black car is (B) mine (C). Her (D) in the garage.

Rewrite the second sentence, using words given in brackets, so that it has a similar meaning to the first one.

2. That is her school. (hers)

=> _____________________________________________________

3. It takes me about two hours each day to do my homework. (spend)

=> _____________________________________________________

4. His new film is really surprising me. (surprised)

=> _____________________________________________________

5. I got very wet in the rain. I had an umbrella. (although)

=> _____________________________________________________

6. They will sell these chemicals everywhere in my hometown. (sold)

=> _____________________________________________________

7. Scientists will find solutions to reduce pollution in our city. (by)

=> _____________________________________________________

8. They will build a solar power factory in Australia in the future. (be)

=> _____________________________________________________

Cho M(x) = 4x – 3 - |2x – 5|

a)Thu gọn M(x)

b)Tính M(3); M(-3)

c)Với giá trị nào của x thì M(x) = 4