You had better______ my telephone number before you forget it.
A. write down
B. clear out
C. put aside
D. skim over
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Brass (黄铜) is______ gold in color.
A. similar with
B. familiar with
C. familiar to
D. similar to
Solid-fuel engines are simpler than liquid-fuel engines, ______have important uses.
A. both of them
B. both
C. both of which
D. both all
A.theB.aC.anD./
A. the
B. a
C. an
D. /
A little learning is a dangerous thing, ______ the saying goes.
A. like
B. as
C. with
D. if