万能角度尺在0°~50°范围内,应装上()。
A、角尺和直尺
B、角尺
C、直尺
D、夹块
参考答案:A
Part of the reason Charles Dickens loved his own novel,David Copperfield,was ________ it was rather closely modeled on his own life.(2010·北京)
A.what
B.that
C.why
D.whether
A.209 B.309 C.409