— He'd like some .
A:onions and mutton
B:onions and muttons
C:onion and muttons
D:onion and mutton
1634S2﹣微粒中的质子数是 ____ ,中子数是 ____,核外电子数是 ____,质量数是 ____
一次函数y=(m+2)x+1,若y随x的增大而增大,则m的取值范围是____.