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【单选题】
一台显示器的颜色是由( )组合而成A.
红.黄.蓝
B.
黄.绿.蓝
C.
红.黄.绿
D.
红.绿.蓝
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举一反三
【单选题】Peter has two daughters, _____ work at a hospital. [ ]
A.
either of whom
B.
neither of whom
C.
both of whom
D.
all of whom
【单选题】When Peter speaks in public, he always has trouble ________ the right things to say. [ ]
A.
thinking of
B.
to think of
C.
thought of
D.
think of
【单选题】Peter Senior is ______.
A.
a doctor interested in painting
B.
an artist who has a collection of paintings
C.
a pioneer in introducing art into hospitals
D.
a faithful follower of hospital art
【单选题】—You don’t look very __________ .Anything wrong ? —Nothing . I’m just a little tired.
A.
good
B.
well
C.
strong
D.
ill
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