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【单选题】
符合细胞型微生物的说法是A.
细胞核中有核膜、核仁
B.
以真菌为代表
C.
只能在活细胞内生长繁殖
D.
细胞器很不完善只有核糖体
E.
DNA与RNA不同时存在
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【简答题】活化能大小直接反映了 对温度的敏感程度。
【单选题】. I have just come in to see if I can be _________ any assistance to them.
A.
with
B.
on
C.
at
D.
of
【单选题】—How many birds can you see in the trees? —I can see ________birds in them. [ ]
A.
hundreds of
B.
five hundreds
C.
hundred of
D.
five hundreds of
【单选题】I wonder when they ________ for Beijing. I will go to the train station to see them off when they _______.
A.
will leave; leave
B.
leave; will leave
C.
will go; leave
D.
go; leave
【单选题】My wife was delighted that things had returned to normal once more.
A.
惊讶的
B.
高兴的
C.
不安的
【简答题】数据库系统的三级模式结构是指数据库系统由（ ）、（ ）和（ ）三级构成。
【单选题】— Can you see the ______? — Sorry, I can’t see them.
A.
tree
B.
Chinese books
C.
English book
D.
apple
【单选题】I wonder when they ___ for Beijing. I will go to the train station to see them off when they ______.
A.
leave, will leave
B.
will leave, leave
C.
will go, leave
D.
go, leave
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