颈部恶性淋巴瘤好发于()
A.成年男性
B.成年女性
C.儿童
D.青壮年男性
E.青壮年女性
参考答案:C
一个平行四边形的面积是5.1m2,底是1.7m,它的高是( )m。
How long did it take the vet _______ injections to all the chickens? [ ]
A. to give
B. giving
C. he gives
D. gave