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【单选题】
The doctor took a __ of the boy's blood.A.
specimen
B.
little
C.
test
D.
drop
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举一反三
【单选题】A: Mum, _____ I watch TV now? B: No, you . You _____ finish your homework first. [ ]
A.
may, can't, must
B.
can, can't, may
C.
must, needn't, must
D.
may, mustn't, can
【简答题】美拉德反应是 化合物与 化合物在少量 存在下的反应,反应终产物为 。影响美拉德反应的因素有 、 、 、 、 。
【单选题】-What are you looking ______? -My watch. I can't find it now. Have you seen it anywhere? [ ]
A.
up
B.
for
C.
out
D.
back
【单选题】There is _____ with my watch. Can you get someone _____ it right now? [ ]
A.
wrong something, check
B.
something wrong, to check
C.
anything wrong, check
D.
anything wrong, to check
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