正常人异常形态精子应小于() A.10% B.20% C.30% D.40% E.5

题型:单项选择题

问题:

正常人异常形态精子应小于()

A.10%

B.20%

C.30%

D.40%

E.50%

考点:心血管内科(医学高级)诊断学基础诊断学基础题库
题型:单项选择题

根据现行部颁水利建筑工程概预算定额,砂砾(卵)石开挖和运输按()计算。

A.Ⅰ类土

B.Ⅱ类土

C.Ⅲ类土

D.Ⅳ类土

题型:单项选择题

根据对话或短文情景完成句子。

A: Hello, Sam?

B: Maria? Hi! 1.________________?

A: I'm in Mexico! I'm calling to say happy birthday!

B: Oh, thanks!

A:So, 2.________________?

B: Great! How's it going with you?

A: Pretty good. 3.________________?

B: I'm having a party. My whole family is here.

A:Oh, that sounds like fun. 4.________________?

B: Terrible. It's cold and raining.

A: How is the weather there?

B: 5.________________

A :Sounds good…

B: Uh-huh.

A: So, what are you doing in Mexico?

B: I'm visiting my grandmother…

题型:单项选择题

设函数z=x2+3y2-4x+6y-1,则驻点坐标为()

A.(2,-1)

B.(2,1)

C.(-2,-1)

D.(-2,1)

题型:单项选择题

某患者,右侧口角流涎,查体:右侧额纹变浅,眼裂变大,口角左歪,右侧口角下垂,鼻唇沟变浅,右侧舌前2/3味觉减退,病变为()

A.右侧面神经茎乳孔病变

B.柯侧面神经内耳病变

C.右侧面神经管部病变

D.右侧面神经膝状神经节病变

E.右侧桥小脑脚病变

题型:单项选择题

捞油中要观察捞油车()是否正常。

A、下放钢丝绳

B、运行

C、上提钢丝绳

D、刹车

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