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【判断题】
分析纯的试剂标签颜色是蓝色()。A.
正确
B.
错误
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举一反三
【简答题】全景:渲染气氛。
【单选题】He was walking along the sands ______ he saw a big footprint in the sand.
A.
while
B.
as
C.
when
D.
after
【单选题】Only after he realized the significance of ing two languages __________ English carefully.
A.
did he set about learning
B.
did he set out learning
C.
had he set about learning
D.
had he set out learning
【单选题】He often watches TV _____ a while _____ dinner. [ ]
A.
for; after
B.
after; for
C.
at; with
D.
with; about
【单选题】Cameron stopped for a while during the trip __________.
A.
so he could save the power and dive deeper
B.
because he wanted to collect rocks and critters
C.
to meditate on the meaning of life
D.
just to feel the amazing moment
【单选题】When the fever ually____, he is likely to feel tired and weak for a while.
A.
dies down
B.
dies out
C.
loses
D.
leaves
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