Theauthor’sattitudetowards“Diasporas”isthat______. A: Thereisincreasinghostilitytowardsimmigrantsinrichcountries. B: Immigrantnetworksareararebrightsparkintheworldeconomyandrichcountriesshouldwelcomethem. C: TheDiasporasshouldreturntotheirhomelandssothatpoorcountrieswillnotsufferasaresultof“braindrain”. D: Hard-workingimmigrantswilldepressthewagesofthelocalsalthoughtheymaygreatlyincreaseproductivity.

?________, and you will be successful.: If you work hard|To work hard|Work hard|Working hard

5、_______ , he couldn’t earn enough to support the family.A. Hard as he worked B. As he worked hard C. As hard he workedD. Hard as did he work A: Hard as he worked As he worked hard As hard he worked B: As he worked hard C: As hard he worked D: Hard as did he work

He ____English. A: works hard for B: hard work for C: works hard at D: hard work at

Tomstudies_______,buthisbrother_______studies. A: hard;hard B: hardly;hardly C: hard;hardly D: hardly;hard

At last he began to cry (). A: hard and hard B: more hard and more hard C: harder and harde D: less hard and less harde

__________, they couldn’t solve the mystery. A: As they tried hard B: Tried as they hard C: Hard as they tried D: No matter they tried hard

______ he did, he would never give up. A: Though hard B: As hard C: Hard if D: Hard though

The wind is blowing so _________that they can __________ stay outside. A: hard; hardly B: hard; hard C: hardly; hardly D: hardly; hard

Billy works very ____（hard）. John works ____（hard）. But Bob works ____（hard） of them.