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【单选题】
逻辑代数中变量的取值为( )。A.
0和1
B.
任意
C.
均大于0
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【简答题】阅读理解。 阅读下面的短文，请根据短文后的要求答题。（请注意问题后的字数要求） [1] Doctors may soon have some suggestions for health that even kids will like: more playtime. European and international health experts say a new study makes t...
【简答题】电阻器的精度等级为I,其允许误差±()%
【单选题】He often makes his sister _____ ,but that time he was made ___ by his sister. [ ]
A.
laugh, to laugh
B.
laugh, laugh
C.
laugh, laughing
【单选题】------ It is he often fails in the exams makes his parents worried about him. ------ So, he has to work whole- heartedly.
A.
what; that
B.
that; what
C.
that; that
D.
/ ; that
【多选题】以下有关创新扩散网络中意见领袖的表述中,正确的是( )
A.
意见领袖指率先接受创新、追求潮流的技术发烧友
B.
意见领袖多为扩散网络中的榜样人物或团体
C.
意见领袖具有较高的威望和影响力
D.
意见领袖有助于推动创新扩散
【单选题】听力原文： County fairs are a tradition in New England towns. They offer great entertainment. One popular event is the pie-eating contest. If you want to take part in the contest, it is a good idea to reme...
A.
In a fast-food restaurant.
B.
At a shopping center.
C.
At a county fair.
D.
In a bakery.
【单选题】听力原文： County fairs are a tradition in New England towns. They offer great entertainment. One popular event is the pie-eating contest. If you want to take part in the contest, it is a good idea to reme...
A.
In a fast-food restaurant.
B.
At a shopping center.
C.
At a county fair.
D.
In a bakery.
【单选题】It is ______ he often breaks the school rules ______ makes his headteacher unsatisfied with him.
A.
what that
B.
that what
C.
that that
D.
which that
【单选题】Tom often makes his brother _______ but yesterday he was made _______ by his brother. [ ]
A.
cry; to cry
B.
to cry; cry
C.
cry; cry
D.
to cry; to cry
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