皮皮学,免费搜题
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搜题
【单选题】
安排宴会时,主人迟到是极不礼貌的行为,一般应提前(),已做好迎接客人的各项准备
A.
十五分钟
B.
五分钟左右
C.
半小时左右
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皮皮学刷刷变学霸
举一反三
【单选题】铣削宽度较宽而深度不大的台阶宜采用( )。
A.
端铣刀
B.
三面刃铣刀
C.
立铣刀
D.
圆周铣刀
【单选题】Nobody ____ how to run this machine.
A.
know
B.
have known
C.
knows
D.
is knowing
【多选题】延胡索的鉴别特征有
A.
块茎呈不规则扁球形,表面有网状皱纹
B.
断面黄色,角质样
C.
气微,味苦
D.
顶端有凹陷的茎痕,底部中央略呈凹脐状
E.
主要镇痛成分为延胡索乙素
【多选题】延胡索的性状鉴别特征是
A.
呈不规则扁球形,直径0.3~2cm
B.
表面黄色或黄褐色
C.
顶端略凹陷,有茎痕
D.
碎断面黄色,角质样
E.
气香,味淡
【单选题】Nobody _how to run this machines
A.
know
B.
have known
C.
knows
D.
is knowing
【简答题】延胡索的鉴别特征,化学成分及常见伪品
【单选题】Nobody how to fix the machine.
A.
knows
B.
is knowing
C.
know
【单选题】The instructions on how to use the new machine______that nobody seemed to be able to understand.
A.
were very simplistic
B.
was very confused
C.
were so confusing
D.
was so simplistic
【单选题】Nobody knew _______ a living in that country.
A.
to do
B.
to make
C.
how to do
D.
how to make
【简答题】幼儿歌曲演唱考试五首歌曲分别是?
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