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【单选题】
天然环境中微生物生长的最好培养基是（）A.
空气
B.
池溏
C.
土壤
D.
海洋
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举一反三
【单选题】The rescuers _______ to work as soon as they arrived at the spot of the accident.
A.
set out
B.
set off
C.
set up
D.
set in
【单选题】It's been very cold the last few days. I think the winter's ______ already.
A.
set in
B.
set off
C.
set on
D.
set out
【单选题】执行如下程序，最后S的显示值为SET TALK OFF s=0 i=5 x=11 DO WHILE s<=x s=s+i i=i+1 ENDDO ?s SET TALK ON
A.
5
B.
11
C.
18
D.
26
【单选题】—Is there ______ in today’s newspaper? —Yes, another spacecraft will be set up into space soon. [ ]
A.
nothing new
B.
new nothing
C.
anything new
D.
new anything
【简答题】读句子，猜猜他们是谁？ ( )1. It is red and big. ( )2. I go to school with（和……一起）it.
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