在种子检验中,本品种的种子数(或株、穗数)占供检本作物(种)样品数的百分率称()
A、品种纯度
B、品种净度
C、健康度
参考答案:A
—Can you give me some advice on what I said just now?
—Sorry, my mind ________.[ ]
A. has wondered
B. had wondered
C. is wondering
D. was wondering
腹部压痛部位不固定见于()
A.小肠克罗恩病
B.溃疡性结肠炎,全结肠型
C.结核性腹膜炎
D.肠易激综合征
E.恶性肿瘤腹膜广泛转移