________ the pictures are made to be seen, too much emphasis is apt to be placed upon seeing.
A. What
Because
C. Because of
D. That
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请判断括号中的成分：（Whether you like it or not）, you must read over the book.
A. 状语从句表让步
B. 状语从句表原因
C. 状语从句标条件
D. 状语从句表结果
请判断括号中的成分：（As time went by）, country music became more and more popular among the people.
A. 状语从句表比较
B. 状语从句表原因
C. 状语从句表让步
D. 状语从句表时间
________ , country music became more and more popular among the people.
As by went time
B. As time went by
C. As time by went
D. As went by time
函数体中不一定有表示返回的return语句。
A. 对
B. 错
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