问题
单项选择题
How did I find the man who left the paper().
A.He came back for the paper.
B.He came back for more copying.
C.He came to me.
D.He invited me to his home.
答案
参考答案：B
解析：
细节信息。
题干：我是如何找到遗留纸张的人的 根据原文“It took ten days for the man to come back to the store to do more copying．”，译文为：十天以后这个人又到店里来复印材料。所以选b。
sin100πt （V）的 正弦交流电源，图中电流表内阻不计．副线圈接入“110V，60W”灯泡一只，且灯光正常发光．下列说法正确的是（ ）
/22 A