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根据短文内容完成下列各题。 'Mother tells me that the most important is to study, and she almost never gives me any housework to do, though I really want some,' said Wang, a middle school student in Guangzhou, capital of South China's Guangdong Province. A report says that most of Guangzhou teenagers (青少年) want to do more housework, but their parents usually do not think so. According to (根据) the report, 37% of the teenagers do housework less than half an hour every day; 39.4% of them from half an hour to one hour; 11.5% one to two hours; 5.6% over two hours; and 6.2% just have'no' housework to do. 'Most of my time after school should be spent on my homework, and I don't have time to play. Even on weekends, my parents ask me to stay at home to study. I can't go to see a film, watch TV or play with other children. My parents never say to me about anything to do with the housework. Sometimes I feel I have the duty to do something to help my parents, but they just get everything done for me,' said Yang Ming, a sixteen- year-old student. Experts say this won't change much unless the College Entrance Examination, which adds much pressure (压力) on high school students, is changed. 1. Is Wang often asked to do housework? _______________________________________________________________ 2. What do most of Guangzhou teenagers want to do, according to the report? _______________________________________________________________ 3. How many students never have any housework to do? _______________________________________________________________ 4. What do most parents think is the most important for children? _______________________________________________________________ 5. 用短语或简洁的句子回答: What does Yang Ming like to spend his time doing after school? _______________________________________________________________
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【判断题】机构中的主动件和被动件都是构件
A.
正确
B.
错误
【判断题】KP2-5表示的是额定电压200V,额定电流500A的普通型晶闸管
A.
正确
B.
错误
【判断题】机构中的主动件和被动件,都是构件。
A.
正确
B.
错误
【判断题】KP2-5表示的是额定电压200V,额定电流500A的普通晶闸管。
A.
正确
B.
错误
【简答题】判断m是否素数。 main() { int m,i,k; scanf("%d",&m); k=(_1_); for(i=2;(_2_);i++) if((_3_)) (_4_); if((_5_)) printf("%d是素数\n",m); else printf("%d不是素数\n",m); }
【判断题】稳定状态下,晶界边数是6,夹角为120°的晶粒是稳定的晶粒。
A.
正确
B.
错误
【简答题】下列给定程序中,函数proc()的功能是:判断一个整数m是否是素数,若是返回1,否则返回0。在main()函数中,若proc()返回1,则输出″YES″;若proc()返回0,则输出″NO″! 请修改程序中的错误,使它能得出正确的结果。 注意:不要改动main)函数,不得增行或删行,也不得,t更改程序的结构。 试题程序:
【判断题】KP2—5表示的是额定电压200V,额定电流500A的普通型晶闸管。
A.
正确
B.
错误
【简答题】下列给定程序中,函数fun()的功能是:判断一个整数m是否是素数,若是返回l,否则返回0。在main()函数中,若fun()返回1则输出YES,若fun()返回0则输出NO! 请改正程序中的错误,使它能得出正确的结果。 注意:不要改动main函数,不得增行或删行,也不得更改程序的结构. 试题程序: include <conio.h> include <stdio.h> int fun(int m)...
【判断题】稳定状态下,晶界边数是6,夹角为120°的晶粒是稳定的晶粒。
A.
正确
B.
错误
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