Mercury is the smallest member of the sun's family. It is only 3.100 miles across. It is also the sun's swiftest planet. Its yearly journey round the sun is only 85 days.

Mercury always keeps one side towards the sun. On this side it is always day, on the other side always night. We only see the lighted side.

Mercury appears to us like a yellowish orange star. The nearest planet to the sun, it is always seen near the sun, either just before sunrise or soon after sunset. People sometimes call mercury the morning star or evening star.

Mercury is half the size of the earth. Because it is much lighter, it has much less gravity. If you can visit Mercury in a spaceship, you will find it a strange world. Its low gravity makes you feel very light. If your weight on earth is 100 pounds, your weight on Mercury is only 27 pounds. Looking at the sun from Mercury, you can see that it's much more brilliant than it is seen from the earth. And the yellow centre of the sun appears three times bigger from Mercury.

On its lighted side, Mercury's temperature is about 300 degrees centigrate. But the dark side is extremely cold, but 150 degrees below zero so mercury is probably the coldest as well as the hottest of the planets.

21. A. Mercury is .......

A. the sun's fastest planet B. the coldest planet

C. the hottest planet D. all are correct

22. We cannot see the dark side of Mercury because .......

A. it moves very fast.

B. it always appears just before sunrise or soon after sunset.

C. it always keeps one side towards the sun.

D. it is too far for us to see.

23. When can we see Mercury? - We can see it ......

A. just before the sunset

B. just before sunrise

C. after the sunset

D. both A and C are correct

24. Why do we weigh much on the earth than on Mercury? - Because .......

A. Mercury is nearer to the sun. B. Mercury has got less gravity than the earth.

C. Mercury is much hotter. D. none are correct.

25. Why does the sun look bigger when it is seen from Mercury?

- Because .......

A. Mercury is the smallest planet of the sun.

B. Mercury is nearer to the sun.

C. Mercury is a light planet.

D. It only takes Mercury 88 days to move round the sun.

Chọn đáp án và giải thích chi tiết

IV. Read the following text and answer the questions by choosing the option A, B, C or D.

        Mercury is the smallest planet in our solar system. It's just a little bigger than Earth's moon. It is the closest planet to the sun, but it's actually not the hottest. Venus is hotter.

        Along with Venus, Earth, and Mars, Mercury is one of the rocky planets. It has a solid surface that is covered with craters. It has a thin atmosphere, and it doesn't have any moons. Mercury likes to keep things simple.

        This small planet spins around slowly compared to Earth, so one day lasts a long time. Mercury takes 59 Earth days to make one full rotation. A year on Mercury goes by fast. Because it's the closest planet to the sun, it doesn't take very long to go all the way around. It completes one revolution around the sun in just 88 Earth days. If you lived on Mercury, you'd have a birthday every three month!

        A day on Mercury is not like a day here on Earth. For us, the sun rises and sets each and every day. Because Mercury has a slow spin and short year, it takes a long time for the sun to rise and set there. Mercury only has one sunrise every 180 Earth days! Isn't that weird?

(Source: https://spaceplace.nasa.gov)

1.     What does the passage mainly discuss?

        A. Days on Mercury                                    B. What Mercury is like

        C. Sunrise on Mercury                                                                  D. Length of a year on Mercury

2.     According to the passage, Mercury _____________.

        A. is the nearest to the Sun                         B. doesn't have atmosphere

        C. the hottest planet                                    D. has many moons

3.     The word "It" in paragraph 2 refers to _____________.

        A. Earth                    B. Mercury                C. Venus                   D. Mars

4.     The word "spins" in paragraph 3 can be best replaced by _____________.

        A. comes                   B. arrives                   C. appears                 D. moves

5.     It can be inferred from the passage that a year on Mercury _____________.

        A. has 59 days                                            B. much longer than that on Earth

        C. has 88 days                                             D. has only 180 days

6.     How often does the sunrise on Mercury?

        A. The same as on Earth.                            B. Every 3 months.

        C. Every 180 days.                                      D. Sun never sets.

Mercury is the smallest member of the sun's family. It is only 3.100 miles across. It is also the sun's swiftest planet. Its yearly journey round the sun is only 85 days.

            Mercury always keeps one side towards the sun. On this side it is always day, on the other side always night. We only see the lighted side.

            Mercury appears to us like a yellowish orange star. The nearest planet to the sun, it is always seen near the sun, either just before sunrise or soon after sunset. People sometimes call mercury the morning star or evening star.

           Mercury is half the size of the earth. Because it is much lighter, it has much less gravity. If you can visit Mercury in a spaceship, you will find it a strange world. Its low gravity makes you feel very light. If your weight on earth is 100 pounds, your weight on Mercury is only 27 pounds. Looking at the sun from Mercury, you can see that it's much more brilliant than it is seen from the earth. And the yellow centre of the sun appears three times bigger from Mercury.

           On its lighted side, Mercury's temperature is about 300 degrees centigrate. But the dark side is extremely cold, but 150 degrees below zero so mercury is probably the coldest as well as the hottest of the planets.

21. A. Mercury is .......

     A. the sun's fastest planet                 B. the coldest planet        

     C. the hottest planet                          D. all are correct

22. We cannot see the dark side of Mercury because .......

     A. it moves very fast.             

     B. it always appears just before sunrise or soon after sunset.

     C. it always keeps one side towards the sun.                               

     D. it is too far for us to see.

23. When can we see Mercury? - We can see it ......

     A. just before the sunset     

     B. just before sunrise      

     C. after the sunset   

     D. both A and C are correct

24. Why do we weigh much on the earth than on Mercury? - Because .......

      A. Mercury is nearer to the sun.               B. Mercury has got less gravity than the earth.

      C. Mercury is much hotter.                       D. none are correct.

25. Why does the sun look bigger when it is seen from Mercury?

 - Because .......

       A. Mercury is the smallest planet of the sun.       

       B. Mercury is nearer to the sun.

       C. Mercury is a light planet.                            

       D. It only takes Mercury 88 days to move round the sun.

Làm ơn giúp mình nhé!!

Complete the questions with the correct comparative/superlative form of the words in brackets,and then choose the correct answer. 1 Which planet is(close) to the sun? A Mercury B Earth 2 When did(strong) earthquake hit Chile? A 1960 B 1990 3 Which animal is(dangerous) than the elephant? A Polar bear B Lion 4 What are becoming more and(popular) these days? A online games B comic books 5 Which is(high) mountain in Europe? A Mount Blanc B Mount Elbrus 6 What is one of (serious) problems we face today? A heavy traffic. B climate change 7 In which city do we find (tall) building ever made? A Dubai B Taipei

Mark the letter A, B, C or D to indicate that underlined part that needs correction in each of the following sentences.

16. Even though Mercury is the closest planet to the Sun, it is not actually the hotter.

             A   B   C         D 

17. Some of the methods used in advertising is unethical and unacceptable in today’s society.

                   A B             C      D

18. Astronaut candidates whose are in their 30s and 40s can apply to become a NASA astronaut.

        A           B            C     D

19. Spacesuits allow astronauts work outside a spacecraft in orbit, on the moon or on another planet.

                                                     A                        B          C                                              D

20. Scientists have discovered a bizarre hell planet which it rains rocks and oceans are made of lava.

                               A   B              C                                  D