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【简答题】
听下面一段材料,  回答第1-3题. 1.When is the museum closed to the public ? A. On Mondays. B. On Tuesdays. C. On Sundays. 2.What is the number of telephone booking? A.010--663993339. B.010--63393339. C. 010--63393399. 3.Where may the individual visitors enter from? A. The south entrance. B. The east entrance. C. The north entrance.
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【单选题】乙酸异戊酯的制备实验中,不是乙酸过量的原因是( )。
A.
乙酸廉价易得
B.
后处理简单,乙酸可与碳酸氢钠生成水溶性无机盐而水洗除去。
C.
乙酸毒性低
【单选题】在紫外光谱中,按照最大吸收波长由大到小的顺序排列下列化合物
A.
a>b>c>d
B.
d>a>b>c
C.
c>d>b>a
D.
d>c>b>a
【单选题】What had been the principal use of the antlers?
A.
To help in removing trees and bushes to cultivate the land.
B.
To obtain the material for useful tools.
C.
To prepare the fields for fanning.
D.
To make many artifacts useful in dally life.
【单选题】The bushes have ________ big trees.
A.
grow up
B.
grow into
C.
growing
D.
grow with
【单选题】Most of the deserts ______ to be covered with bushes and trees. [     ]
A.
used
B.
were used
C.
use
D.
got used
【单选题】The cat padded across the road and towards the bushes just _______ the hornbeam trees, and she stopped.
A.
except for
B.
apart from
C.
beyond
D.
from
【单选题】The island had______.
A.
a lot of vegetation but no trees, bushes or flowers
B.
rio vegetation(植物) or wildlife
C.
plentiful supplies
D.
a few birds and animals
【单选题】在紫外光谱中,按照最大吸收波长由大到小的顺序排列下列化合物
A.
a>b>c
B.
a>c>b
C.
c>b>a
D.
c>a>b
【单选题】Insects live in bushes and grass and trees, in fields and houses and in the ground. Some even live on other animals. Did you know that there are more insects in the world than any other kind of animal...
A.
in bushes
B.
in the ground
C.
on some animals
D.
all of the above
【单选题】临床中,下列哪种疾病不能用直接Coombs试验进行检测?
A.
检测母体Rh(D)抗体
B.
新生儿溶血症
C.
自身免疫性溶血症
D.
缺铁性贫血
E.
药物诱导溶血
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