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【单选题】
Leaves are found on all kinds of trees, but they differ greatly ________size and shape.
[ ]
A.
on
B.
from
C.
by
D.
in
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】People have planted a great many trees in order to________wind and sand in the desert. [ ]
A.
hold down
B.
hold up
C.
hold back
D.
hold out
【单选题】The financial crisis has led to a sharp ______ in profits in many factories.
A.
decline
B.
increase
C.
deadline
D.
desire
【单选题】When he heard the news,an ________ look appeared on his face last Sunday. [ ]
A.
excited
B.
exciting
C.
excite
D.
excitedly
【单选题】It was ________ of my secretary not to have let others disturb me this morning when I was occupied with my work.
A.
generous
B.
polite
C.
considerate
D.
sympathetic
【单选题】Clothing made of man-made fibers has certain advantages over ______ made of natural fibers like cotton，wool or silk.
A.
one
B.
those
C.
that
D.
what
【单选题】Is honesty the best policy? We _that it is when we are little.
A.
will teach
B.
teach
C.
are taught
D.
will be taught
【单选题】Henry has come in his raincoat and boots, ________ for rain.[ ]
A.
prepared
B.
preparing
C.
to prepare
D.
prepares
【单选题】Which do you enjoy ______ your holiday, going abroad or staying at home?
A.
spending
B.
to spend
C.
being spent
D.
spend
【单选题】The secretary worked late into the night, ________ a long speech for the president.
A.
to prepare
B.
preparing
C.
prepared
D.
was preparing