题干
We should give love to the children ________ lost their parents in the earthquake(地震)．
A：who
B：whom
C：those
答案(点此获取答案解析）
A
We should give love to the children ________ lost their parents in the earthquake(地震)．
A：who
B：whom
C：those
”的图案，如图2所示，再将剪下的两个小矩形拼成一个新的矩形，如图3所示，则新矩形的周长可表示为（ ） 
