调用定时器功能函数的方法有____、______两种
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编写脚本程序时,条件语句中的四个关键字“IF”“THEN”“ELSE”“ENDIF”不区分大小写。
A. 对
B. 错
while。。。endwhile是条件语句。
A. 对
B. 错
Another food crop raised by Indians______strange to the European was called Indian corn.
A. who were
B. that were
C. that was
D. who was
They helped us time and again,______very kind of them.
A. who were
B. which was
C. that was
D. which were