Unit5 A Delicate World 第 2 课时（Using Language分层作业）高中英语（外研社版2019选择性必修第二册）.docx

Unit5ADelicateWorld

UsingLanguage分层作业练习

I单词拼写

Inherfirstbooksheexplainedtheroleofvegetablefibers,vitamins,minerals,andotheressential__________(营养物).?

【答案】nutrients.

Warm?the?sugar?slightly?first?tomake?it?__________(溶解)?quicker.?

【答案】dissolve

Ifyoudescribesomeoneasa?book__________(虫子),youmeantheyareveryfondofreading.

【答案】?worm

They?__________(授粉)the?flower?and?help?seeds?developbetter.?

【答案】pollinate

Thegirlstudentdidnotreturnhomeinsteadofattendingthesummer________(期间)ofcollege.?

【答案】session

Protect?and?restore?wetlands,which?are?animportant?partof?grassland?__________(生态).?

【答案】ecology

In________(比较)?with?the?previous?study,?the?new?study?expanded?research?subjects.?

【答案】comparison

Testresultsindicate?thata?__________(分解体)can?remarkably?improve?the?qualityofthisnewmaterial.?

【答案】decomposer

They?strongly?demandthat?you?__________(补偿)forthe?loss.

【答案】compensate

It?is?a?very?pretty?butterfly,?witha?pairof?colourful__________(翅膀).

【答案】wings

II单句语法填空

Bothsides?consider?________?desirableto?further?the?understanding?between?the?two?peoples.

【答案】it

【解析】considerit+adj+todosth:用it作形式宾语，构成动词+形式宾语+宾语补足语的复合结构。

Duetotoomuchworktodo,Illleaveit?upto?you?_________(use)?your?discretion.

【答案】touse

【解析】leave+it（作形式宾语）+宾语补足语+todosth(不定式作真正宾语后置)。

Ithinkit________breakthroughtotransformadesertintoaforestorawidestretchofgrassland.

【答案】a

__________(absorb)?in?their?game,?these?children?didnot?feel?hungry?atall.

【答案】Absorbed

【解析】过去分词作原因状语，动词absorb与逻辑主语thesechildren构成被动关系。

Dontrelyon________(go)abroadforourholiday,forwemaynotbeabletoaffordit.

【答案】going

【解析】relyon(one’s)doingsth,动名词作宾语。

Theycannotbereliedon________(offer)muchsupportorusefuladvice.

【答案】tooffer

【解析】relyonsbtodosth:构成动词+宾语+宾语补足语复合结构，不定式作宾补。

Thedissolvedchemicalsarereleasedbackintothefoodchain_______(use)byproducers.

【答案】tobeused

【解