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【单选题】
自然界中，有的高大树种可以长到100m以上，其能够从地表供给树冠养料和水分的主要动力是（）A.
因外界大气压引起的树干内导管的空吸作用
B.
树干对水的润湿作用
C.
体液含盐浓度大，渗透压高
D.
树干中微导管的细作用
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举一反三
【单选题】My grandfather _____ stay _____ home and watch TV.
A.
like, at
B.
likes, in
C.
likes to, at
【单选题】My grandfather, who the World War Two, likes to talk to us about his experience.
A.
went through
B.
got through
C.
went out from
D.
came out of
【单选题】My grandfather _____ stay _____ home and watch TV. [ ]
A.
like, at
B.
like, in
C.
likes to, at
D.
likes to, in
【单选题】My old grandfather likes sleeping without ________ the door.
A.
close
B.
closed
C.
closing
D.
closes
【单选题】My grandfather _____ stay ______ home and watch TV. [ ]
A.
like; at
B.
like, in
C.
likes to, at
【单选题】My grandfather has ____________ old bike, but he likes ____________ bike very much. [ ]
A.
a, the
B.
an, the
C.
the, the
【单选题】Poppy likes ______ mice and she ______ my grandfather. [ ]
A.
chases; belong to
B.
chasing; is
C.
chasing; belongs to
D.
chases; is
【单选题】My grandfather likes _____ books. He doesn't often _____ TV. [ ]
A.
looking at, see
B.
watches, see
C.
to read, watches
D.
reading, watch
【简答题】( )是用来观察与测量电压、电流波形的一种电子仪器.
相关题目：
【单选题】My grandfather _____ stay ______ home and watch TV. [ ]
A.
like; at
B.
like, in
C.
likes to, at
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