2025-2026学年高中英语北师大版选择性必修第一册Unit2单元练-(2).pdfVIP

乐民之乐者，民亦乐其乐；忧民之忧者，民亦忧其忧。——《孟子》

名师原创：Unit3单元同步闯关练

一、词类转换：写出下列单词的词性变化

1.recycle：n._____________________2.threat：v.______________________

3.illegal：adv._____________________4.extinct：n.____________________

5.incredible：adv._________________6.urgency：n.____________________

7.vary：adj.______________________8.affect：n.______________________

9.dirt：adj.______________________10.real：n._______________________

11.aware：n._____________________12.anxious：n.____________________

13.destroy：n.____________________14.regular：adv.___________________

15.history：adj.___________________16.agriculture：adj._________________

17.previous：adv._________________18.describe：n._____________________

19.health：adj.___________________20.environment：adj._______________

二、单句语境语法冲关：在空白处填入适当内容（一个单词）或括号内单词的正确形式

1.Ourenvironmentneedsprotection.Nowadays,weusecarstoomuch,_________isbadfor

boththeenvironmentandourhealth.

2.Ireallyfeel_______(strong)thatweneedtochangethewayweliveinsoordertoprotect

ourplanet.

3.WhatdoesDr.Bradshawsuggest_______(protect)animalsindanger?

4.Infact,over90percentofallspeciesthateverlived_______(be)nowextinct.

5.Inthelast500millionyears,there________(be)fivetimeswhenlifeonEarthhasalmost

ended.

6.Theseextinctionsincludethethirdmassextinction,________(know)asthe“GreatDying”,

whichkilled90%to96%ofallspecies.

7.Thefifthextinction