3 have shown

4 on

Make sentences from the words/ phrases given.

Question 1. You/ not/ play/ more/ computer games/ free time.

               A. You should not played  more computer games in your free time.

               B. You should playing more computer games in your free time.

               C. You should play more computer games in your free time.

               D.You should not play more computer games in your free time.

Question 2. Vitamins/ play/ important/ role/ our diet.

               A. Vitamins play a important role in our diet.

               B.Vitamins play an important role in our diet.

               C. Vitamins played an important role in our diet.

               D. Vitamins playing an important role in our diet.

Question 3. Getting/ enough/ rest/ help/ you/ concentrate/ school.

A.    Getting enough rest helps you concentrate at school.

B.Get enough rest helps you concentrate at school.

C. Getting enough rest help you concentrated at school.

D. Getting enough rest helped you concentrate at school.

Question 4.That dog/ not/ as dangerous/ it looks.

A.    That dog is as dangerous as it looks.

B.    That dog are not as dangerous as it look.

C.    That dog are as dangerous as it looks

              D. That dog is not as dangerous as it looks

Question 5.  Schools in Viet Nam / different/ schools/ the USA.

A.    Schools in Vietnam is different from schools in the USA.

B. Is different from schools in the USA. Schools in Vietnam.

               C. Schools on Vietnam is different from schools in the USA.

               D. Schools at Vietnam is different from schools in the USA.

Câu 42: Bài “Hịch tướng sĩ”của Trần Quốc Tuấn được viết vào thời điểm nào?

A. Kháng chiến chống quân Nguyên lần thứ nhất.

B. Kháng chiến chống quân Nguyên lần thứ hai.

C. Kháng chiến chống quân Nguyên lần thứ ba.

    The camel can go (1)________  water for a long time. Some people think it stores water in its hump. This is not true. It stores food in its hump. The camel’s body changes the (2) _________ into fat. Then it stores the fat in its hump. It can't store fat over its body. Fat all over an animal’ s body keeps animal  (3)________. Camels live in the (4)________ . They do not want to warm during the day.The desert is very hot. The camel gets hotter and hotter during the day. It stores this heat in its body because (5)_________ are cool.

1. A. with               B. without              C. and                    D. so

2. A. feet                B. lung                   C. food                  D. backbone

3. A. hot                B. cold                   C. warm                 D. cool

4. A. desert            B. land                   C. water                 D. mountain

5. A. daytimes        B. nights                C. afternoon s         C. mornings

Khoảng cách từ một điểm của vật đến gương phẳng bằng khoáng cách từ ảnh của điểm đó đến gương nên d=d’

Câu 41: Trong cuộc kháng chiến chống quân Nguyên lần thứ hai, ai là người tự giương cao lá cờ: “Phá cường địch, báo hoàng ân”?

A. Trần Quốc Tuấn.

B. Phạm Ngũ Lão.

C. Trần Khánh Dư.

_{D. Trần Quốc Toản.}

I

1. B

2.D

3.D

4.A

II

1C

2A

3B

4D

5D

<=> x -2 = 0

      x +9 =0

<=> x = 2 , x = -9 

Vậy .............

Số mol của 11,16 gam Na₂O

=> Ta có n_Na2O = 11,16 / 23.2 + 16 = .............(n)