小儿腹泻口服补液的适应证是______、______和______。
参考答案:脱水的预防;轻度脱水;中度脱水无明显周围循环障碍者
玻片标本上写着“p”,在目镜内看到的物像是( )
A.p
B.d
C.b
D.q
It was from the Lowell Laboratory that the ninth________, Pluto, was sighted in 1930.
A.planet
B.constellation
C.stardom
D.satellite