单选题：Only a small part of the sun' s energy reaches the earth' s

题目分类：公共英语二级
题目类型：单选题
号外号外：注册会员即送体验阅读点！

题目内容：

Only a small part of the sun' s energy reaches the earth' s surface because most of itis A．absorbed by the clouds in the lower atmosphere
B．reflected by the gases in the upper atmosphere
C．lost in the upper and lower atmosphere
D．used to evaporate water from the oceans and lakes

参考答案：

答案解析：

After having asked somebody a question, it' 11 be polite of

After having asked somebody a question, it' 11 be polite of you toA．make clear

分类：公共英语二级题型：单选题

回答题It was the first snow of winter. Up until now,. I had bee

回答题It was the first snow of winter. Up until now,. I had been able to dress my

分类：公共英语二级题型：单选题

--It looks heavy. Can I give you a hand?__

--It looks heavy. Can I give you a hand?__A．No, thanks B．Yes, my pleasure C．No

分类：公共英语二级题型：单选题

I was out of town at the time, so I do not know exactly how

I was out of town at the time, so I do not know exactly how itA．was happening B

分类：公共英语二级题型：单选题

--I can not repair these until tomorrow, I' m afraid.--That'

--I can not repair these until tomorrow, I' m afraid.--That' s OK, there' sA．no

分类：公共英语二级题型：单选题