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【单选题】
在液相色谱中, 为了提高分离效率, 缩短分析时间, 应采用的装置是 ( )
A.
高压泵
B.
贮液器
C.
梯度淋洗
D.
加温
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参考答案：
举一反三
【单选题】-I won't come to the party unless Sue ________, too. -You mean if Sue comes you'll come?
A.
will invite
B.
invites
C.
invited
D.
is invited
查看完整题目与答案
【单选题】---I won't come to the party unless Sue ______ , too. ---You mean if Sue comes you'll come?
A.
will be invited
B.
is invited
C.
will invite
D.
invited
查看完整题目与答案
【单选题】I won't come to the party unless Sue too.
A.
invites
B.
is invited
C.
invited
查看完整题目与答案
【单选题】当材料的润湿角( ),该材料称为憎水性材料。
A.
≤90°
B.
≥90°
C.
﹤ 90°
D.
﹥ 90°
查看完整题目与答案
【单选题】I won't come to the party _____ my best friend _____. [     ]
A.
if, will be invited
B.
if, is invited
C.
unless, is invited
D.
unless, will be invited
查看完整题目与答案
【单选题】使用企业库时需要往项目中添加()个程序集
A.
2
B.
3
C.
4
D.
5
查看完整题目与答案
【单选题】— Will you come to the dinner party? — I won't come unless Jenny _____. [     ]
A.
will be invited
B.
be invited
C.
is invited
查看完整题目与答案
【单选题】3S技术不包括下列哪个？（）
A.
GPS
B.
GPRS
C.
GIS
D.
RS
查看完整题目与答案
【单选题】在西餐用餐完毕时,应将刀叉如何摆放
A.
刀叉并拢平行放在盘子上，刀右叉左，叉面向上。
B.
刀叉一端放在盘子上，一端放在桌上。
C.
将刀叉摆放成十字形。
查看完整题目与答案
【单选题】I won't come to the party unless you ______, too. [     ]
A.
will invite
B.
invites
C.
invited
D.
are invited
查看完整题目与答案
相关题目：
【单选题】-I won't come to the party unless Sue ________, too. -You mean if Sue comes you'll come?
A.
will invite
B.
invites
C.
invited
D.
is invited
查看完整题目与答案
【单选题】---I won't come to the party unless Sue ______ , too. ---You mean if Sue comes you'll come?
A.
will be invited
B.
is invited
C.
will invite
D.
invited
查看完整题目与答案
【单选题】I won't come to the party unless Sue too.
A.
invites
B.
is invited
C.
invited
查看完整题目与答案
【单选题】当材料的润湿角( ),该材料称为憎水性材料。
A.
≤90°
B.
≥90°
C.
﹤ 90°
D.
﹥ 90°
查看完整题目与答案
【单选题】I won't come to the party _____ my best friend _____. [     ]
A.
if, will be invited
B.
if, is invited
C.
unless, is invited
D.
unless, will be invited
查看完整题目与答案
【单选题】使用企业库时需要往项目中添加()个程序集
A.
2
B.
3
C.
4
D.
5
查看完整题目与答案
【单选题】— Will you come to the dinner party? — I won't come unless Jenny _____. [     ]
A.
will be invited
B.
be invited
C.
is invited
查看完整题目与答案
【单选题】3S技术不包括下列哪个？（）
A.
GPS
B.
GPRS
C.
GIS
D.
RS
查看完整题目与答案
【单选题】在西餐用餐完毕时,应将刀叉如何摆放
A.
刀叉并拢平行放在盘子上，刀右叉左，叉面向上。
B.
刀叉一端放在盘子上，一端放在桌上。
C.
将刀叉摆放成十字形。
查看完整题目与答案
【单选题】I won't come to the party unless you ______, too. [     ]
A.
will invite
B.
invites
C.
invited
D.
are invited
查看完整题目与答案
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