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【单选题】
钻头直径大于13mm时,柄部一般做成( )。
A.
直柄
B.
锥柄
C.
D.
直柄或锥柄
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参考答案:
举一反三
【判断题】定期巡视线路的周期是三个月进行一次。
A.
正确
B.
错误
【单选题】$i=0; while ($i<5){ echo $i; } 的循环次数是()
A.
5
B.
4
C.
不确定
D.
死循环
【简答题】'The differences between British English and American English are not important.' Why does the author say this? For the most part, British and American English are ______.
【单选题】$i=0; while ($i<5){ echo $i; $i++; } 的循环次数是()。
A.
5
B.
4
C.
不确定
D.
死循环
【简答题】指令中出现的寄存器名作为操作数的寻址方式叫( ),操作对象实质上是寄存器中的( )。
【单选题】Why not _______ an English club to practice speaking English _______?
A.
join in, as much as possible
B.
join, as much as possible
C.
join, as more as possible
【单选题】牛乳被挤出后,必须很快冷却到 _______ 以下,并在此温度下保存。
A.
0℃
B.
4℃
C.
20℃
D.
-4℃
【单选题】听力原文:M: It's so hard for me to learn English. Why is it so easy for you? W: I didn't know you were having problems. Maybe it's easier for me because I already speak two languages. But also, I really w...
A.
She often talks to English people.
B.
She speaks two languages already.
C.
She always does her homework right after class.
【单选题】$i=0; do { echo $i; } while($i<5); 的循环次数是()。
A.
5
B.
4
C.
不确定
D.
死循环
【单选题】$i=0; do { echo $i; $i++; } while($i<5); 的循环次数是()。
A.
5
B.
4
C.
不确定
D.
死循环
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