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

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