11.One cannot learn a foreign language well ______ he studies hard.A.A.unlessB.B.ifC.C.asD.D.when12.______is the temperature today?A.A.WhatB.B.HowC.C.How manyD.D.How much13.The teacher’s lecture on pronunciation lasted for three hours.Many of us fe

11.One cannot learn a foreign language well ______ he studies hard.A.A.unlessB.B.ifC.C.asD.D.when12.______is the temperature today?A.A.WhatB.B.HowC.C.How manyD.D.How much13.The teacher’s lecture on pronunciation lasted for three hours.Many of us fe
11.
One cannot learn a foreign language well ______ he studies hard.
A.A.unless
B.B.if
C.C.as
D.D.when
12.
______is the temperature today?
A.A.What
B.B.How
C.C.How many
D.D.How much
13.
The teacher’s lecture on pronunciation lasted for three hours.Many of us felt very _______ and sleepy.
A.A.boring
B.B.bored
C.C.losing
D.D.interested
14.
_______ these honours he received a sum of money.
A.A.Except
B.B.But
C.C.Besides
D.D.Outside
15.
Jane likes singing.We often hear her _______after class.
A.A.sing
B.B.to sing
C.C.sings
D.D.sang
16.
The scientists are ____ a series of experiments to learn more about how the body adapts to weightlessness.
A.A.defining
B.B.having
C.C.carrying
D.D.doing
17.
Put it down,Richard.You mustn’t read ______letter.
A.A.anyone's else's
B.B.anyone's else
C.C.anyone else's
D.D.anyone else
18.
This kind of material expands ____ the temperature increasing.
A.A.to
B.B.for
C.C.with
D.D.at
19.
I have been looking forward to ____ from my parents.
A.A.hear
B.B.being heard
C.C.be heard
D.D.hearing
20.
Few students failed in the exam at the end of last term,_______?
A.A.do they
B.B.didn't they
C.C.don't they
D.D.did they

11.One cannot learn a foreign language well ______ he studies hard.A.A.unlessB.B.ifC.C.asD.D.when12.______is the temperature today?A.A.WhatB.B.HowC.C.How manyD.D.How much13.The teacher’s lecture on pronunciation lasted for three hours.Many of us fe
11/A. unless 除非.
12.A. What 英汉有别,问多少度要用WHAT
13// B. bored 人无聊要用ED形式
14C. Besides 包含在内
15.A. sing hear是感官动词,后接不带TO的不定式.
16D. doing 做实验用DO
17.B. anyone's else 否定所以用anyone .anyone是不定代词,所以else置后,因为是所有格,所以加's
18.A. to 膨胀到温度增加,用TO
19.D. hearing look forward to中的to是介词,后接动名词
20；B. didn't they 时态前后一致,肯否定前后相反.