<15%< /div>
C.
<20%< /div>
【单选题】精液中畸形精子超过( ), 是引起男性不育症的原因之一。
【单选题】What is NOT mentioned as being included in the packet that employees will receive?
A.
Instruction for packing
C.
A diagram of a building
D.
Directions to the new location
【简答题】Helping a sick neighbor with some repair work is an example of ________. A) instrumental support B) informational support C) social companionship D) the strengthening of self-respect