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【判断题】
动车组采用交流电机作为牵引电机，同采用直流电机作为牵引电机相比，可以提高牵引传动系统的可靠性。A.
正确
B.
错误
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举一反三
【单选题】How to say ”what do you want to do”?
A.
N ǐ xi ǎ n ɡ ch ī di á nr sh é nme？ 你 想 吃 点儿 什么？
B.
N ǐ xi ǎ n ɡ zuò sh é nme？ 你 想 做 什么？
C.
N ǐ sh é nme sh í hou zuò？ 你 什么 时候 做 ?
D.
nǐxiǎng yào sh é nme？ 你 想 要 什么？
【简答题】Answer the following questions briefly. The questions are based on Episode 4 (50%; 5 x10) 1) How do you understand this sentence: “As China ’s economy grows, more resources can be given to environment...
【单选题】char ch='A'; switch(ch) { case 'A' : printf(“how are you?\n”); case 'B' : printf(“how do you do?\n”);break; } 以上代码行执行后的输出结果是?
A.
how are you?
B.
how do you do?
C.
how are you?how do you do?
D.
how do you do?how are you?
【单选题】How to say ”what do you want to do”?
A.
N ǐ xi ǎ n ɡ ch ī di á nr sh é nme 你 想 吃 点儿 什么？
B.
N ǐ xi ǎ n ɡ zu ò sh é nme 你 想 做 什么？
C.
Nǐ shénme shíhou zu ò 你 什么 时候 做 ?
【单选题】char ch='A'; switch(ch) { case 'A' : printf(“how are you?\n”);break; case 'B' : printf(“how do you do?\n”); } 以上代码行执行后的输出结果是?
A.
how are you?
B.
how do you do?
C.
how are you?how do you do?
D.
how do you do?how are you?
【简答题】It's five minutes before the exam and you are very nervous, You just have to it, but how? You didn't even the book the night before and you hear a sound in your head saying 'Cheating（作弊）,cheating…' so...
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