I.                 Choose the correct answer A, B, C or D to complete the sentences.

1.     ‘’ Let’s go to Ha Long Bay on the weekend’’ – ‘’..........................’’

A.    That’s a fine day                 B. That’s a good idea                C. Yes, please                  D. Yes, let’s     

2.     People have talked a lot .................... UFOs ................. many years.

A.    From/ in                         B. In/ for                                    C. About/ for                     D. For/ for

3.     ‘’ I wish I .......... your village again some day ‘’ Lisa told Mary.

A.    Could visit                      B. Can visit                               C. Visited                          D. Will visit

4.     She is the ................. student in his class.

A.    Good                              B. The well                               C. The best                       D. Best

5.     .......... we’ve got a few minutes to wait for the train, let’s have a cup of coffee.

A.    Since                              B. A & C are correct                 C. As                                D. A & C are wrong

6.     People in Israel are going to celebrate their festival,......is called Passover.

A.    Whose                            B. Who                                      C. Which                           D. Where

7.     ........I was really tired, I couldn’t sleep.

A.    Even though                   B. So                                         C. Therefore                     D. Because of

8.     A funnel – shaped storm passing overland below a thunderstorm is called a.............

A.    Typhoon                          B. Tsunami                               C. Tornado                        D. Hurricane

9.     You have read this article on the website,...............?

A.    Haven’t you                     B. Don’t you                              C. Aren’t you                     D. Didn’t you

10. Thuy’s grandmother wants her to................the volume on TV.

A.    Switch on                         B. Humorous                             C. Turn up                         D. Turn down

GIẢI THÍCH CHI TIẾT Ạ

Cho tứ giác ABCD, biết:

góc A = 2B

góc B = 3C

góc C= 6D

Tính A, B, C, D.

Lập công thức hóa học của các hợp chất được tạo bởi Na, Zn, Al với O, NO3, SO4, PO4.