在腹部外形视诊时,下列哪一种描述不属于正常范围()。
A.健康成年人,腹部平坦
B.肥胖者腹部饱满
C.小儿腹部外形较饱满
D.消瘦者腹部低平
E.中年人常腹部膨隆
参考答案:E
At the class meeting, he made two suggestions, ______ were of great value.
A.all of them
B.all of which
C.both of them
D.both of which
关于植物激素作用的叙述,正确的是()
A.生长素可用于果实催熟
B.脱落酸能够促进种子萌发
C.赤霉素能够促进茎的伸长
D.乙烯可用于诱导产生无子果实