thế nào là vận dộng trọng lực? giải thích?

- Lập bảng thống kê những sự kiện cơ bản về Nước Nga và công cuộc xây dựng chủ nghĩa xã hội ở Liên Xô trong thời kì 1917 – 1945.

-  Thống kê những  sự kiện lịch sử cơ bản về các về các nước tư bản chủ nghĩa

trong thời kì 1917 – 1945.

-  Lập bảng hệ thống những  sự kiện lịch sử cơ bản về các nước Châu Á trong thời kì 1917 – 1945.

-  Lập bảng hệ thống về chiến tranh thế giới thứ hai.

Choose the word whose underlined part is pronounced differently from that of the others

A. troops                     B. traffic                     C. tradition                  D. centre

A. two                         B. twelve                     C. twin                         D. twice          

Choose A, B, C or D that best suits meaning of the sentences

3.      He is not good………… maths. He is incapable………… calculating.

            A. at/ of                       B. on/ for                     C. for/ of                     D. on/ of

If the weather…………. good, we will have lunch outside.

            A. is                             B. are                           C. was                         D. were

Two friends should be loyal…………… each other.

            A. on                           B. with                                    C. over                                    D. to

She apologised …………… waiting so long.

            A. to me for                B. for me keeping       C. for me                     D. for keeping me

Would you mind………….  for a moment?

A. waiting                   B.waited                     C. wait                        D. waits

I expected ………….. to the party, but I wasn’t.     

            A. to invite                  B. inviting                   C. being invited          D. to be invited

When I arrived at the party, Mary…………….. home already.

            A. gone                       B. had gone                 C. went                       D. have gone

He decided……………..  abroad 2 days ago.          

            A. to go                       B. going                      C. goes                        D. went

Choose the best options to complete the sentenses or have the same meanings.

      11. .. ……………………………., I would have learned how to use a computer.

            A. If I could have been able to go to school as a child

            B. If I been able to go to school as a child

            C. If I had been able to go to school as a child

            D. Unless I had been able to go to school as a child

12. “ If I were you, I wouldn’t buy that coat,” she said.

            A. She said that if she had been me she wouldn’t have bought that coat.

            B. She said that if she were me she wouldn’t buy that coat.

            C. She said that if I were you I wouldn’t buy that coat.

            D. She said that if I had been you I wouldn’t buy that coat.

13. “It was nice of you to help me. Thank you very much,” Tom said to you.   

            A. Tom thanked me for helping him               B. Tom thanks me for helping him                

C. Tom thanked you for help him                   D. Tom thanks you for help him

14. “ I will come to see you if I have time,” the man said to her.

      A. The man told her he will come to see her if he has time.

      B. The man told her I will come to see you if I have time.

      C. The man told her he would come to see you if he have time.

      D. The man told her he would come to see her if he had time.

Identify the one underlined word or phrase that must be changed for the sentence to be correct

15.  Approximately 70 percent  of all parents let their children to attend school

A                                           B                         C                   D

16.Instead ofto be excited about the news, Tom seemed to be indifferent.

                        A              B                C                                          D