The CDs ______ in the box.[ ]
A. is
B. isn't
C. are
答案:C
The report shows we have dreamed _______ exploring space for thousands of years. [ ]
A. in
B. on
C. of
D. to
取头、面、胸、腹部以及下肢前面的腧穴应选择的体位是()。
A.仰卧位
B.侧卧位
C.俯卧位
D.仰靠坐位
E.俯伏坐位