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【多选题】
用加热的方法降低液体黏度时需要注意严格控制温度和时间的原因是( )A.
降低能量消耗
B.
不使目的物变性
C.
提高生产效率
D.
防止胞内物溢出
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举一反三
【单选题】What conclusion did researchers from the University of Illinois draw?
A.
Basal ganglia helped maintain attention.
B.
Fitness enlarged children's basal ganglia.
C.
Overweight affected children's complex memory.
D.
Kids with similar backgrounds performed similarly.
【单选题】下列哪项不是均匀流的特征（）。
A.
各过水断面均为平面，并且形状和尺寸沿流程不变
B.
各过水断面上流速分布均相同，断面平均流速也相等
C.
均匀流过水断面上的动水压强分布规律与静水压强分布规律相同，即同一过水断面上各点的测压管水头为一常数
D.
液体的迹线与流线重合
【简答题】What conclusion did the writer draw from the example of his student?
【单选题】下列有关验收的描述中,不正确的是( )。
A.
综合布线系统工程的验收贯穿了整个施工过程
B.
布线系统性能检测验收合格,则布线系统验收合格
C.
竣工总验收是工程建设的最后一个环节
D.
综合布线系统工程的验收是多方人员对工程质量和投资的认
【单选题】What conclusion did the writer reach?
A.
He will never be able to sing well.
B.
Some people will never be able to sing.
C.
Learning to sing is a complex and mysterious process.
D.
Everyone can learn to sing, but it takes time.
【单选题】What conclusion did the author draw after the journey?
A.
The America is beautiful.
B.
The America is pretty big, and there are different kinds of people.
C.
Indeed, no matter who you are, you can still depend on the kindness of strangers.
【简答题】What conclusion did the writer draw from the example of his student?
【单选题】What conclusion did the author draw after the eight-month car-free life?
A.
He is better off without a car.
B.
He needs to buy a new car.
C.
Life without a car is a little bit hard.
D.
A car-free life does not suit everyone.
【单选题】What conclusion did the man draw after examining himself?
A.
It was because he was too excited by his findings that his heart beat fast.
B.
He was terminally ill and his heart was going to stop beating.
C.
There was enough evidence that he suffered from scarlet fever.
D.
He should shut his eyes and ignore all the bad news he brought on himself.
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