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【判断题】
以液体为萃取剂时,如果含有目标产物的原料也为液体,则称此操作为液液萃取。以液体为萃取剂时,如果含有目标产物的原料为固体,则称此操作为浸取。
A.
正确
B.
错误
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举一反三
【单选题】She is quite familiar with the movie because she____it twice.
A.
has seen
B.
saw
C.
will see
D.
was seeing
【单选题】以下植物为花叶同放型的是( )
A.
白兰
B.
白玉兰
C.
碧桃
D.
四季桂
【判断题】玉兰为花叶同放的植物
A.
正确
B.
错误
【单选题】汽车排气管放炮且出现启动困难喷油量大易引起( )。
A.
闷油现象
B.
发动机爆震
C.
加速过猛
D.
爬坡无力
【单选题】配置单区域OSPF,启动OSPF路由选择进程的命令是在全局配置模式下输入 router ospf + 进程ID,其中进程ID号的范围为:
A.
1~65535
B.
0~1024
C.
0~64
D.
0~32
【单选题】The movie is ______ on a real story in life, so it is quite moving.
A.
basing
B.
based
C.
coming
D.
written
【单选题】Whichof the four comments is quite strange?
A.
The movie made you think. It wasthought-provoking.
B.
The actor is predictable.
C.
The camera angles and shots lacked variety.
D.
The character development is strong/ not sostrong.
【单选题】元器件石英晶体振荡器的封装是()。
A.
DIP
B.
SIP
C.
AXIAL
D.
XTAL1
【简答题】C. Fill in each blank with the proper form of the words given in bracket. 用给出单词的适当形式填空 1. He read the book _____(slow). 2. He worked ____ (careful). 3. We have found a lot of _________(different) betw...
【单选题】The last scene ( ) the movie is quite fascinating and emotionally-stirred, which makes its box office ascend to 0.5 billion overnight.
A.
composed
B.
constituted
C.
comprising
D.
consisting
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