问题 单项选择题

下列概念;①太阳辐射②地面吸收③大气削弱④大气逆辐射⑤地面辐射按发生的先后顺序排列正确的是()

A.①②③④⑤

B.①③⑤④②

C.①③②⑤④

D.①④③②⑤

答案

参考答案:C

解析:

太阳辐射到达地球,在穿越大气层时要被大气对太阳辐射的削弱作用削弱掉一小部分,剩余的绝大多数太阳辐射到达地面,被地面吸收,地面开始增温,地面在增温的同时又以地面辐射的形式向外辐射热量,被对地面长波辐射具有很强的吸收能力的大气吸收,使大气增温,大气又以大气逆辐射把大部分能量还给了地面,起了保温效应,所以本题C正确。

考点:本题主要考查大气受热过程。

单项选择题
阅读理解

阅读理解

     One day an Australian farmer, Joe, saw a bright light in the sky.①The light came nearer and nearer and suddenly

Joe saw that it was a spaceship. The spaceship landed in a field quickly.    The door of the spaceship opened and two

strange beings climbed out.②They seemed to be half man and half bird. Joe was afraid of them. He tried to run away.

But the spacemen walked towards him, picked him up and carried him into the spaceship. They put wires(电线) from

a machine onto his head and they could speak to him in English.

     They asked him some questions about the earth. "We are from Venus," they said, "but it's getting very hot there. A

lot of our people are dying and we don't have much time left. We are trying to find a new home."

     After some time they③freed Joe and at last the spaceship took off and could not be seen again. Joe told his friends

about the spaceship, but no one believed his story.

     "You'll believe me one day," Joe told them. "The spaceman will come back..."

1. 翻译①处画线部分句子

    _______________________________.

2. 不改变句意,改写②处句子

    _______________________________.

3. According to the conversation between Joe and the aliens, what do we know about Venus?

    _______________________________.

4. ③处单词的意思是_____

A. let…go

B. paid no money

C. took away

D. locked

5. 用文中的两个词填空。

    (1) Some people _____ in everlasting life after death.

    (2)The girls are _____ of going out at night.