Unit5 A Delicate World 第 1 课时（Starting OutUnderstanding Ideas分层作业）高中英语（外研社版2019选择性必修第二册）.docx

Unit5ADelicateWorld

StartingoutUnderstandingIdeas分层作业练习

I单词拼写

Itcalls?for?our?___________(干预)?in?tourist?behavior?that?destroys?public?facilities.?

【答案】intervention

Environmental?scientists?need?GIS?software?to?model?___________(侵蚀)??in?coastal?areasandmountainvalleys.

【答案】erosion

This___________(事件)?whichhappenedinthegroupreflected?badlyon?everyone?involved.

【答案】incident?

This___________(病毒)?infected?thousands?of?computers?across?theU.S.?and?Europe?within?days.

【答案】virus?

A?computer?screen?shows?arrival?and?___________(离开)?times.

【答案】departure

His?work?has?led?others?to?protect?the?___________(栖息地)??of?this?endangered?species.

【答案】habitat

Some?tourists?carved?their?names?on?the?stones?of?the?Great?Wall,?which?was?a?great?damage?to?the?cultural?___________(遗产).

【答案】heritage

Itsnowedsoheavilythattheroofofthehouse___________(倒塌)undertheweightofsnow.

【答案】collapsed

Cigarettesmokingispubliclyconsideredto___________(成倍增加)theriskofcancer.

【答案】multiply

Energy___________(保护)??is?of?vital?importance?to?us?because?our?society?isfacing?energy?shortage.

【答案】conservation

II单句语法填空

______________(subsequent),newguidelineswereissuedtoallemployees.?

【答案】Subsequently

Atwork,?hewhotook?risks?and?couldnotlosewasregarded?______a?miracle?worker.

【答案】as

Itsestimated?that?birthratehas?dropped?___________(dramatic)?over?thepast?decade.

【答案】dramatically?

【解析】副词用来修饰动词drop.

Asamusician,Iowemuch_______theradiostationinmyhometown.?

【答案】to

【解析】owesthtosb：欠某人某物，把...归功于...

He?spenta?lotof?moneyin?satisfying?the?appetite?_______?excitement?and?amusement.?

【答案】for

Thegreengrassandbarerockofitslandscapecontrastclearly,_______(give)itawildandnaturalbeauty.

【答案】giving

【解析】现在分词作结果状语，所给动词give与前面句子表示的情况构成主动关系。

Theywouldfail________(imagine)howitsnativeinhabitants,includingpenguinsandelephantseals.

【答案】toimagine

【解析】failtodosth：没有做到某事，未能做到某事。

Theendresultwas____parakeetsoncela