问题 选择题

蕴藏于海洋深处的可燃“冰”的主要成份是(  )

A.CH4

B.H2

C.CO

D.SiH4

答案

可燃冰的主要成分是深海处动植物尸体腐烂的生成物,主要为甲烷.

故选A

配伍题 B型题
阅读理解

用所给词的适当形式填空

小题1:Doctors often tell us         (drink) more water every day.

小题2:It’s easy for us          (have) a good lifestyle.

小题3:        you        (watch) TV last night?

小题4:How many       (west) countries do you have?

小题5:I              (visit) my grandpa next month.

小题6:Tom with his sister          (have) lunch at school every day.

小题7:He plans          (spend) this weekend with his friends.

小题8:          (smoke) is bad for your health.

小题9:Tom forgot          (do) his homework last night.

小题10:Lily had to look after his mum because of her          ( ill).

小题11:I decided              (play) tennis with the children.

小题12:He’s very        (excite) and he really needs a         (relax) vacation.

小题13:Children like outdoor(户外的)          (active).

小题14:Can he finish        (read) the book in about a week?

小题15:He         (leave) the first week in June and          (stay) until August.

小题16:My mother wants me          (exercise) often.

小题17:He thought about          (go) to Italy.

小题18:Peng Liyuan is a famous           (sing) in China.

小题19:My grandma looks very young because she            (play) sports every day.

小题20:I’m not           (feel) well, I have a fever.