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【简答题】
禾本科植物的主要特征是多为草本，果实为（）。
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皮皮学刷刷变学霸
举一反三
【单选题】Our neighbor offered to look after our baby while we were away, ____ was very kind of her.
A.
it
B.
that
C.
which
D.
such
【单选题】Our neighbor said if we made more noise he would _________ us to the police.
A.
inform of
B.
complain about
C.
report to
D.
care for
【单选题】— It is said that the famous cyclist_________ his parents is to visit our city next week. —I heard the news _________.
A.
and; too
B.
as well as; as well
C.
as well as; as well as
D.
with; either
【单选题】While we were on holiday, our neighbor took _____ our house
A.
notice of
B.
care of
C.
after
D.
on
【单选题】一对正确啮合的斜齿圆柱齿轮传动的( )均为标准值。
A.
端面模数、分度圆上的端面压力角、分度圆上的螺旋角
B.
法面模数、分度圆上的法面压力角
C.
端面模数、分度圆上的端面压力角
D.
法面模数、分度圆上的法面压力角、分度圆上的螺旋角
【单选题】如图所示,圆柱形空间存在着轴向均匀磁场,磁感应强度的方向保持不变,但其大小匀速减小。若在磁场中有两点 A 和 C ,其间放有直导线 和弯曲导线 ,则 [ ]
A.
导线的感生电动势大小小于弯曲 导线的感生电动势大小
B.
导线的感生电动势大小大于弯曲 导线的感生电动势大小
C.
感生电动势在 导线和弯曲 导线中产生，且两者大小相等
D.
条件不足，无法确定
【单选题】如图所示,圆柱形空间存在着轴向均匀磁场,磁感应强度的方向保持不变,但其大小匀速增加。若在磁场中有两点 A 和 C ,其间放有直导线 和弯曲导线 ,则 [ ]
A.
感生电动势只在 导线中产生
B.
感生电动势只在弯曲 导线中产生
C.
感生电动势在 导线和弯曲 导线中产生，且两者大小相等
D.
导线的感生电动势大小小于弯曲 导线的感生电动势大小
【简答题】Our neighbor said that if we made any more noise he’d about us to the police. (complaint)
【单选题】Our neighbor offered to look after our baby yesterday when we were busy, _____is often the case.
A.
it
B.
that
C.
which
D.
as
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