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【单选题】
耐磨性要求极高的精密机床主轴用下列( )钢制造并进行渗氮处理。A.
40Cr
B.
38CrMoAlA
C.
20CrMnTi
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举一反三
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【单选题】On the morning of the appointment, he was dressed in his best and ______ .
A.
shaved unusually well
B.
unusually shaved well
C.
well shaved unusually
D.
unusually well shaved
【单选题】He dressed quickly, _______ hurriedly, grabbed his briefcase and hurried off down the hotel corridor.
A.
shave
B.
shaving
C.
to shave
D.
shaved
【单选题】— You’d better not judge a person _____ his appearance. —I know all the people dressed _____ rags are not beggars.
A.
in; in
B.
by; by
C.
in; by
D.
by; in
【单选题】. He dressed himself quickly and ___________ his schoolbag, went to school.
A.
carried
B.
to carry
C.
carrying
D.
Carries
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