It was______(他真是很愚蠢) to make that silly remark in such circumstances.

The Ozone Layer, found in the stratosphere between 10km and【M10】km

above the ground, protects earth from the harmful effects of certain【M1】__

wavelength of ultra-violet (UV) light from the sun, specifically UV-B.【M2】__

Any significant decrease in ozone in the stratosphere would result from an【M3】__

increase of UV-B radiation reaching the earth surface.

Scientists warned for decades that increases in levels of UV-B【M4】__

radiation must cause the increase in skin cancers. 【M5】__

An Antarctic "ozone hole" was discovered in 1985. Since then,

scientists have observed ozone depletion in the middle and higher latitudes.

This year, the biggest ozone hole even recorded was observed over 【M6】__

Antarctica, expanding over the southern tip of South America. 【M7】__

To halt ozone depletion, countries committed themselves to ban the use【M8】__

and production of CFCs through implementation of the 1987 Montreal Protocol.

According to data received from the Cape Grimm Global Atmosphere

Monitoring Station locating in Australia, which measures worldwide CFCs【M9】__

in the lowest layer of the atmosphere, the most common CFCs, such as

like Freon used in refrigeration, have reached zero growth. 【M10】__

This means that these substances are not increasing in concentrations

on the earth's surface. Less common CFCs have begun to decrease in the

last two years.

【M1】

Whathesaid________(与警方的证据相矛盾).

A new movement in Al focuses its work on ___\_and______.

This part is to lest your ability to do practical writing．You are requd to write a Message according to the following instruction given in Cinese．Remember to write the message in no less than 60 words on the Composition/Translalion Sheet．

校学生会号召大家周六中午12：00在主楼前面给贫困地区的孩子捐献棉衣，但李明有事 情外出，请你以李明的名义，给其同宿舍同学写一份留言，留言包括以下内容：

1．留言人：李明

2．留言内容：捐献棉衣、捐献活动组织者、捐助对象、捐助时间、捐助地点、捐助；不要迟到

3．留言对象：宿舍同学

4．留言原因：有事情外出

Words for reference：

The Student Union 学生会 donate 捐献 rural areas 农村地区

Main Building 主楼 dormitory 宿舍

Message

Message Leaver：__

Message：__

Message for：__

Message leaving reason：__

________(不管是什么种族、宗教信仰),weareallequal.