50千克增加______%后是60千克．
（60-50）÷50，
=10÷50，
=20%；
答：50千克增加 20%后是60千克．
故答案为：20．
— How do you like this film?
— __________. [ ]
A. I enjoy it very much
B. It's wonderful .
C. I don't like it at all
D. It's much better.
判断甲亢治疗效果的标志是
A．情绪变化B．食欲变化C．甲状腺大小变化D．体重变化E．脉率及脉压变化
