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【判断题】
对于一般热力学系统,其状态发生变化时,其内能的改变量只决定态的温度而与过程无关。
A.
正确
B.
错误
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参考答案:
举一反三
【单选题】When we were kids, my little sister Madison and I were the M&Ms—my parents' two daughters. 1. So it was quite a surprise when my mom and dad sat us down to let us know that baby number three was on th...
A.
You stay in the know.
B.
You learn about responsibility early on.
C.
We received a lot of attention, and we liked it that way.
D.
All I can say is that my family wouldn't be happy without Mac.
E.
I remember the first time Mac crawled, walked, and said my name.
F.
Thanks , Mom and Dad, for turning the M&Ms into the Three Musketeers.
G.
Nothing makes Mac more upset than a mean guy who hurts a girl's feelings.
【判断题】对于两个算术平均数不等的数列,可以通过全距、平均差、标准差来反映其标志变动程度的大小。
A.
正确
B.
错误
【简答题】关于催化剂的描述下列哪一种是错误的( )A. 催化剂能改变化学反应速率 B. 催化剂能加快逆反应的速率 C. 催化剂能改变化学反应的平衡 D. 催化剂对反应过程具有一定的选择性
【单选题】关于催化剂的描述下列哪一种是错误的
A.
催化剂能改变化学反应速度
B.
催化剂能加快逆反应的速度
C.
催化剂能改变化学反应的平衡
D.
催化剂对反应过程具有一定的选择性
【单选题】联合国教科文组织对图书的定义:凡是出版社(商)出版的不包括封面和封底在内的()页以上的印刷品,具有特定的书名和著录名,编有国际标准书号,有定价并取得版权保护的出版物。
A.
51
B.
50
C.
49
D.
48
【简答题】Use the compound words and phrases from exercise 3(连线题) to complete the sentences . 1 Martin didn't need a car to get to work as his company gave him a free ( ). 2 Since I have taken out a ( ...
【单选题】关于肝下界的描述,正确的是
A.
.在右腋中线起自第10肋
B.
.在左腋中线起自第10肋
C.
在右侧第7、8肋软骨结合处离开右肋弓
D.
.在左肋弓第8、9肋软骨结合处进入左季肋区
E.
.在剑突下触摸不到肝
【判断题】高性能混凝土中化学外加剂加的越多越好。
A.
正确
B.
错误
【简答题】Use the compound words and phrases to complete the sentences. 1、Martin didn’t need a car to get to work as his company gave him a free ______. 2、Since I have taken out a ______, I go three times a wee...
【简答题】阅读理解。 I never wanted a dog, but now I'm so glad I have one. About one year ago, my wife, Mary, got a little dog with a face only a mother could love. We named her Baby. Baby is the kind of dog that ha...
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