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【单选题】
下列常用低压电器与电气符号对应错误的是 ( )。A.
刀开关QS
B.
接触器KM
C.
熔断器FR
D.
按钮SB
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反馈参考答案：
举一反三
【简答题】被子植物茎分枝方式主要有 、 和
【单选题】Gong Li is __________one of the best actresses in China, and many films in which she played a part are popular with us. [ ]
A.
beyond doubt
B.
without doubt
C.
out of doubt
D.
all the above
【单选题】The famous actress Gong Li said, 'Over time, I ____ all the hardships and gradually learn the meaning of life.' [ ]
A.
get through
B.
go by
C.
find out
D.
break into
【单选题】科技论文中所使用的术语、符号、计量单位等,都要符合科技论文的规范化表达的要求。这体现的是科技论文的哪一特点?
A.
规范性和可读性
B.
创新性
C.
准确性和可靠性
D.
干扰项
【单选题】Gong Li won an Oscar______ Best Actress _______ her role _______ this film.
A.
of, for, in
B.
for, of , of
C.
for, for, in
D.
of, of, in
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