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【单选题】
取药材粉末或切片少许,加浓硫酸1ml,呈
A.
红色沉淀
B.
紫色
C.
黄绿色
D.
鲜黄色
E.
蓝紫色
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参考答案:
举一反三
【单选题】在塔设备和进料状况一定时,增加回流比,塔顶产品的组成( )。
A.
减少
B.
不变
C.
提高
【多选题】系统分析的目标有一下那几项( )
A.
识别用户要求
B.
评价系统的可行性
C.
建立成本和进度限制
D.
进行经济分析和技术分析
【多选题】英国绅士阶层倾向于使用的词汇包括( )。
A.
sorry
B.
toilet
C.
lavatory
D.
supper
【单选题】The perforated,elevated bottom of the chain locker,which prevents the chains from touching the main locker bottom and allows seepage water to flow to the drains,is called a ______.
A.
cradle
B.
draft
C.
harping
D.
manger
【简答题】perforated completion ( )
【单选题】动作电位爆发时,Na+内流产生
A.
去极化
B.
复极化
C.
反极化
D.
超极化
E.
极化
【多选题】英国绅士阶层倾向于使用的词汇包括( )。
A.
napkin
B.
toilet
C.
serviette
D.
pudding
【单选题】A: I’m sorry for losing your book. I will buy a new one for you. B: ________. I have another copy.
A.
Thank you
B.
Happy to hear that
C.
Never mind
【单选题】I hear another new bridge _______over the Changjiaing River in Jiangsu Province, isn't it? ---Yes,it _________in four years.
A.
is built...will complete
B.
is building...will complete
C.
has been built...will be completed
D.
is being built... will be completed
【单选题】---I’m sorry for losing your book. I will buy a new one for you. ---________. I have another copy.
A.
Thank you
B.
Happy to hear that
C.
Never mind
D.
Of course
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