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【单选题】
要使异或门成为反时,则另一个输入端A.
0
B.
1
C.
两个输入端相连
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反馈参考答案：
举一反三
【简答题】Directions: There are 15 blanks in the following passage. For each blank there are for choices marked A ,B ,C and D. You should decide on the best choice and write the corresponding letter on the Answ...
【简答题】order by 子句实现的是( )
【简答题】3 5 吨表示把1吨平均分成______份，每份是______千克，取其中的______份是______千克；也可以表示把3吨平均分成______份，取其中的______份是______千克．
【简答题】Questions 11 to 15 are based on the following passage.
Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell if the cause is a cold or flu (流感) may make a difference ...
【单选题】Questions 11 to 15 are based on the following passage.
Scratchy throats, stuffy noses and body aches all spell misery, but being able to tell if the cause is a cold or flu (流感) may make a difference ...
A.
one doesn’t need to take any medicine if he has a cold or the flu
B.
aspirin should not be included in over-the-counter medicines for the flu
C.
delayed treatment of the flu will harm the liver and central nervous system
D.
over-the-counter drugs can be taken to ease the misery caused by a cold or the flu
【简答题】ORDER BY子句实现的是( )。
【单选题】关于动植物油脂中过氧化值的表示方法叙述错误的是()。
A.
以每千克中活性氧的毫摩尔量表示
B.
以每千克中活性氧的毫克当量表示
C.
在工业中过氧化值通常以毫克当量每千克表示
D.
过氧化值也可以用毫摩尔每千克表示，毫摩尔每千克的值是毫克当量每千克值的2倍
【判断题】Differences draw attention and imply importance, but too many differences confuse audience.
A.
正确
B.
错误
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