1.Scientists are working hard to come up with a sure solution to the food _____for

mankind.

a.decline b.rarity c.inconsistency d.shortage

2.We ______Edison's success to his intelligence and hard work.

a.describe b.subject c.attribute d.refer

3.If the situation continues to ______,we'll have to adjust our strategies.

a.degenerate b.deteriorate c.deform d.degrade

4.Working overtime every night is much too _____for a six-year-old man.

a.treacherous b.arduous c.envious d.ambiguous

5.Frankfurt,Germany,is in one of the most_______populated regions of Wsetern

Europe.

a.densely b.vastly c.enormously d.largely

6.She is a very ____secretary;she never forgets anything or makes a mistake.

a.anxious b.effective c.adequate d.dfficient

7.You can ______different kinds of people,dictionaries or maps,to find out what

you wish to know

a.contact b.consult c.refer d.request

8.Henry looked very much ________when he was caught cheating in the exam.

a.excited b.embarrassed c.exciting d.embarrssing

9.They have developed techniques which are _______to those used in most factories.

a.simpler b.better c.superior d.greater

10.She kept on a diet constantly in order to _____her beautiful figure.

a.protest b.preserve c.prsist d.prescribe

11.Only few parents ________games in children's education.

a.attach inportance to b.take into consideration c.take...seriously

d.deprive...of

12.The city is quite different from________before.

a.what it was b.that it was c.which d.what was it

13.Mr.Brown has a strong ______of duty.

a.sense b.emotion c.feeling d.thought

14.Modern medicine has made a great _______to the health and welfare of mankind.

a.control b.effect c.contribution d.dffor

15.would you mind if I open the window?___________

a.That's fine,thank you.b.Take a rest.c.Yes,please.d.Of course not

16.Hello,Dabid.How is everything?_____________________

a.Good for you b.Oh,I will c.That's right d.Just so-so

17.what's the problem,John?____________________

a.No problem.b.I can't find my mobile phone.c.Thank you for lending me your

car.d.No trouble at all.

18.Hey,you look so pale.______________

a.I caught the flu.b.Never mind c.I am sorry to hear that.d.I don't know

19.Can I help you to carry the box?____________________

a.No idea.b.Thanks.It's very kind of you.c.Yes,let's do it.D.It's no

trouble at all.

20.The lecture was really interesting.____________________

a.I couldn't agree with you more.

b.It sounds reasonable.

c.It didn't last too long.

d.I'm going to listen to it