儿童Ⅰ型糖尿病的发病因素中以下哪项正确
A.单基因显性遗传
B.多基因遗传
C.非免疫性损害
D.以病毒感染为主
E.食入糖量过多
参考答案:B
Susan was fat last year. So she decided more exercise. Now she is much more beautiful.
A.take
B.to take
C.taking
D.took
在结构化程序设计模块环境调用中, 【4】 是指模块的上级模块数。