题目内容：

 

1.Carbon dioxide, water vapour and other gases make the earth’s a _______（大气层）.

2.Dinosaurs laid eggs and e_______(存在) on the earth for more than 140 million years.

3.The s______（长处）of the diet in Wang Peng’s restaurant was that it provided energy.

4.Write a short report about the two or three most I_______（印象深刻的）things during the trip across Canada.

5.Some scientists believe a comet c_______（坠落）into the earth long ago and caused the disappearance.

6.Don’t s_______________（凝视）at her like that, which may make her feel unhappy.

7.We should to apply t_______（）理论to practice.

8.The patient is s_______（稍微）better today.

9.A b_______（平衡的）diet can provide enough nutrition for your body.

10.These two countries had three r_____（宗教上的）wars in 20 years.