1 breathe

2 oxygen

4 heart

a. The ________respiratory ______ system of the body lets us breathe in oxygen and breathe out carbon dioxide.(respiration)
b. They kept the animal ________skeleton______ in the museum. (skeletal)
c. He asked for a drink to calm his _____nervosity_________. (nervous)
d. Scientists are studying the chemical’s ____effects__________ on the environment. (effective)
e. In order to work more _____effectively_________, we must do it together. (effective)
f. She is a very ________energetic______ person, she can work all day without feeling tired. (energy)
g. Drama can help children to express their ______emotion________. (emotional)
h. You should pay more attention to your _____health_________, otherwise, it will get worse day by day. (healthy)
i. The wine had made him _______incapable___________ of thinking clearly. (capable)

Chọn cụm từ thích hợp điền vào chỗ trống hoàn thành các câu sau:

 Công thức hóa học CO₂ cho biết trong phân tử khí carbon dioxide có 1... nguyên tử.....… carbon, 2.....nguyên tử...... oxygen, và .......phân tử khối.......... của CO₂ bằng 44 đvC

complete the text with the verbs in the box

Inside your body, there (1)_____are_____ many different parts. They help you (2)_____stay______ healthy. Do you know what they do? Your brain (3)_____makes______ the differnet parts of your body work well. Air (4)_____goes_____ in and out of your lungs when you (5)______breathe_____. This (6)_____gives_____ you oxygen that you need. Your heart (7)______moves_____ blood around your body. The blood (8)______takes_____ oxygen and food to the different parts of your body.

Your bones are very strong and they support your body. They also (9)_____protect_____ important parts of your body, like the brain and heart. Your muscles (10)_____help______ your body to move. Your skin protects your body. It also helps to (11)______keep_____ your body at the right temperature.

Đáp án: B

1 finish - put

2 will be - increases

3 sees - picks - will remind

4 will be - is

6 continues - will be

7 will decrease - are

8 talk - won't put

1. If I (finish) ……finish..……..a bottle of water, I (put) …will put………..…….it into the recycling bin.

2. The climate (be) …will be………..….. warmer if the amount of carbon dioxide in the atmosphere (increase) ……increases……………..

3. If Anh (see) …sees……………..a used water bottle on the pavement, she (pick) …will pock…………… it up and put + public, I (remind) ………remind..…. him not to do that again.

5. People's health (be) …will be……………..better if the air (be) ……is…………..cleaner.

6. If she (continue) ……continues…………..to make noise, other people (be) ……will be……….. very annoyed.

7 .Floods (decrease) ………will decrease……….. if trees (be) ………is……… planted more.
 
8 .If we (talk) …talk………..……. to him about the effects of environmental pollution, he (not put) …………will not put…….…. rubbish into the river.

1.finish-put

2.will be-increases

3.sees-picks-will remind

5.will be-is

6.continues-will be

7.will decrease-are

8.talk-won't put

a,. do bones.....stop......... growing? (stop)

b, How much water........does...... the brain ......contain.........? (contain)

c, How many square meters .....does........ an adult's skin......cover......? (cover)

d,...............do........ you ............have.......... hair on your tongue? (have)

e, .........does......... hair........grow......... faster..........than........... in hot weather? (grow)

f, How long...........does........ the heart .......take.......... to pump blood around the body? (take)

g, .............do.......muscles.......pull..........or push? (pull)

h, Which vitami.........does...........the liver.........produce......... ? (produce)

i, How many times a day..........do........... you...........breathe.............. in and out? (breathe)

a, do .......bones.....stop......... growing? (stop)

b, How much water........does...... the brain ......contain.........? (contain)

c, How many square meters .....does........ an adult's skin......cover......? (cover)

d,...............do........ you ............have.......... hair on your tongue? (have)

e, .........does......... hair........grow......... faster..........than........... in hot weather? (grow)

f, How long...........does........ the heart .......take.......... to pump blood around the body? (take)

g, .............do.......muscles.......pull..........or push? (pull)

h, Which vitami.........does...........the liver.........produce......... ? (produce)

i, How many times a day..........do........... you...........breathe.............. in and out? (breathe)

Cai. g, d, . chia động từ trong ngoặc

a,. Do bones stop growing? (stop)

b, How much water does the brain contain? (contain)

c, How many square meters does an adult's skin cover? (cover)

d, Do you have hair on your tongue? (have)

e, Does hair grow faster in hot weather? (grow)

f, How long does the heart take to pump blood around the body? (take)

g, Do muscles pull or push? (pull)

h, Which vitami does the liver produce ? (produce)

i, How many times a day do you breathe in and out? (breathe)