高血压病()
A.A2增强
B.A2减弱
C.P2增强
D.P2减弱
E.S1减弱
参考答案:A
生物的生殖方式有______和______,在进化上,比较高等的生殖方式为______.
The principal is not here, and you'd better call him ______ 3 p.m. ______ 5 p.m. tomorrow. [ ]
A. between; and
B. from; and
C. from; to
D. between; to