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【单选题】
RB2001合约19年8月5日的结算价是?A.
3552
B.
3551
C.
3553
D.
3555
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举一反三
【单选题】Western nations have older and shrinking populations since they entered the 21st century and their ( ) birth rates have also posed problems.
A.
prejudiced
B.
respective
C.
fluctuating
D.
enlightening
【单选题】— What does the sign over there say? — No person ______ enter the area without the official permission. [ ]
A.
shall
B.
may
C.
must
D.
will
【单选题】－ What does the sign over there say? － “No person ____________ bring drinks into the student computer pool.”
A.
will
B.
may
C.
shall
D.
must
【简答题】— What does the sign over there read? —“No person __________ smoke or carry a lighted cigarette，cigar or pipe in this area.” A．will B．may C．shall D．must
【单选题】—What does the sign over there read? —No person ________smoke or carry a lighted cigarette ,cigar or pipe in this area.
A.
will
B.
may
C.
shall
D.
must
【简答题】永磁同步电动机转子位置检测多用( ) A.光电式转子位置检测器 B、磁电式转子位置检测器 C。绝对式脉冲编码器 D。相对式脉冲编码器
【单选题】— What does the sign over there say? — No person _________ bring drinks into the student computer room.
A.
will
B.
may
C.
shall
D.
must
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