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【单选题】
女27岁,初次妊娠,测得血HCG增高,其在妊娠期的主要作用是A.
促进胎儿生长发育
B.
具有一定防御功能避免胎儿受感染
C.
支持妊娠，维持孕卵的生长发育
D.
促进乳腺的增生
E.
具有一定免疫功能
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举一反三
【单选题】'From scratch'(Line 2, Para. 3) has the closest meaning to______.
A.
from beginning
B.
by cutting them into pieces
C.
without adding any spices
D.
bought fresh from the market
【单选题】The environment is becoming worse and worse. I think we should do something to ____ people ____ cutting the trees in order to protect the earth.
A.
stop, from
B.
help , out
C.
stay , away from
D.
stop , for
【简答题】项目管理时,应尽可能使项目的时间、成本、范围、 四要素达到一种平衡状态。
【单选题】He was in hospital for six months. He felt as if he was _______ from the outside world.
A.
cutout
B.
cutoff
C.
cutup
D.
cutthrough
【单选题】Calories For years now, calories have been all the rage-- people are counting them and cutting them, and you'd be hard-pressed to find something at the supermarket that does not list its calories per ...
A.
Y
B.
N
C.
NG
【简答题】Your hair wants ________. You’d better have it done tomorrow. A) cut B) to cut C) cutting D) being cut
【单选题】The employees might think, if airline delay is to be avoided, the key factor is
A.
cost-cutting.
B.
sophisticated workers.
C.
high-spirited crew.
D.
good customer service.
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