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【判断题】
In the 1960s ... ⃝ 1 students at the University of California, Berkeley did not protest. ⃝ 2 students in Europe and the US spent a lot of time protesting. ⃝ 3 there was violence on university campuses in Europe. ⃝ 4 students and workers went on strike together in France. ⃝ 5 the UK Prime Minister had to resign because of student protests. ⃝ 6 students discovered a sense of freedom on campus. Today ... ⃝ 7 more young people than ever go to university. ⃝ 8 most students fail to complete their studies. ⃝ 9 international students are more interested in lifestyle than quality of courses. ⃝ 10 students need their parents for financial help. ⃝ 11 students don’t contact their parents as often as they used to. ⃝ 12 students don’t enjoy university life as much as they used to.A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】有下面的程序段,执行后c的值为( )。 int a=3, b=2, c; char p='A'; c=(a && b)&&(p>'B')
A.
false
B.
true
C.
1
D.
0
【多选题】接地网的接地电阻不符合规定的危害是____________。
A.
发生接地故障时可能使健全相和中性点的过电压值超过绝缘水平要求值
B.
影响接地电容电流值
C.
影响接地短路电流值
D.
接触电压以及跨步电压过高
【多选题】接地网的接地电阻不符合规定的三种危害是____________。
A.
.发生接地故障时可能使健全相和中性点的过电压值超过绝缘水平要求值；
B.
影响接地电容电流值；
C.
影响接地短路电流值；
D.
接触电压以及 跨步电压过高；
E.
雷电流入地残压高，使附近设备受到“反击”的危害。
【简答题】True or False. 读短文,判断正误。 Many people have mobile phones, but how to use them differs across cultures . In Spain, however, mobile phones are used everywhere, and people discuss their private lives alou...
【简答题】有下面的程序段,执行后c的值为()。int a=3, b=2, c;char p='A';c=(a && b)&&(p>'B');A. N B. Y C. 1 D. 0
【多选题】接地网的接地电阻不符合规定的危害是( )。
A.
发生接地故障时可能使健全相和中性点的过电压值超过绝缘水平要求值
B.
影响接地电容电流值
C.
影响接地短路电流值
D.
接触电压以及跨步电压过高E雷电流入地残压高,使附近设备受到“反击”的危害
【多选题】接地网的接地电阻不符合规定的三种危害是____________。
A.
发生接地故障时可能使健全相和中性点的过电压值超过绝缘水平要求值；
B.
影响接地电容电流值；
C.
影响接地短路电流值；
D.
接触电压以及跨步电压过高；
【简答题】接地网的接地电阻不符合规定的三种危害是哪些？
相关题目：
【单选题】有下面的程序段,执行后c的值为( )。 int a=3, b=2, c; char p='A'; c=(a && b)&&(p>'B')
A.
false
B.
true
C.
1
D.
0