以下哪一种疾病,不会有血小板减少:()
A.特发性血小板减少性紫癜
B.过敏性紫癜
C.感染性紫癜
D.急性再生障碍性贫血
E.播散性红斑狼疮
参考答案:B
把带芽的马铃薯块栽到土壤中,培育成新植株,这种生殖方式属于( )
A.出芽生殖
B.无性生殖
C.有性生殖
D.分裂生殖
69. We had to _______hundreds of people because all of the seats were sold.
A.turn away
B.turn down
C.turn against
D.turn about