种子萌发时,不需要的条件
A:适宜的温度
B:自身条件
C:充足的空气
D:适当的光照
读问句,选择对应的答句。
____①What's the weather like today? A. No, you can't.
____②Where are my books? B. Yes, it is.
____③What time is it? C. It's rainy.
____④Can I wear my new skirt? D. It's twelve o'clock.
____⑤Is it cool? E. They're on the bed.
求出下面一组数的最大公因数和最小公倍数.
指出下面说明方法判断错误的一项( )。
人的性别是由____决定的.