What's the matter with you?
A:He is not well.
B:I am hungry.
C:My finger hurts.
一般情况下,动物细胞没有的结构是( )
三年级一班有56名同学,老师进行了两次综合测试:第一次测试得100分的同学的学号是6,9,15,16,27,33,56;第二次得100分的同学的学号是7,9,16,27,36,40,48,51,53.两次都得100分的共有( )
Who do you like ____, your father____your mother?
下列括号内各应填什么数?
(+2)-(-3)=(+2)+____;
0-(-4)=0+____;
(-6)-3=(-6)+____;
1-(+39)=1+____.