【名词&注释】
玻璃棒(glass rod)
[单选题]下列关于过滤操作的叙述不正确的是（ ）
A. 滤纸的边缘要低于漏斗口
B. 液面不要低于滤纸的边缘
C. 玻璃棒要靠在三层滤纸的一边
D. 漏斗下端的管口要紧靠烧杯的内壁
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举一反三：
[单选题]4．—What's this________ English?—It’s an English-Chinese dictionary．
A. at
B. in
C. on
D. of
[单选题]46．
A. can't
B. mustn't
C. need to
D. are able to
[单选题]4． Lily is___________ taller than her sister．
A. a few
B. few
C. a little
D. little
[单选题]BThus is not a diet．lt's a simple way to lose weight． And you don-t even have to give up the food you love or join a gym． You just follow some habits that thin people have． Keep them，and you'll become thin．
A. (1)Wake-up
B. With legs straight out，bend(弯曲) forward until you feel sore in your back． It will burn about 10 calories ．
C. (2)Start with soup
D. In this way，you'll feel fuller，so you'll eat less when the main food comes．
E. ( 3) An apple(or more) a day
F. The study ．shows that people who eat at least three apples a day lose weight．
G. (4)Stand up and walk around
H. Heavy people sit on aver-age(平均) two and a half hours more each day than tlun people． This skill is very important，as standing up and walking around will burn 50 0r more calories．
J. What should we have first if we want to eat less main food?
K. Soup．
L. Ice cream．
M. Salad．
N. Cheese．
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