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【单选题】
以下何者不是精索的结构( )A.
输精管
B.
睾丸动脉
C.
蔓状静脉丛
D.
提睾肌
E.
射精管
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【单选题】International irade fairs have become extremely important venues For conducting business. yet very few domestically based sales organizations have an understanding of how to cake advantage of the oppo...
A.
unsatisfactorily-conducted
B.
businessman-targeted
C.
delicately-decorated
D.
profit-oriented
【单选题】下列有关国画历史的叙述,对的是
A.
魏晋南北朝绘画以山水画见长
B.
唐代绘画注重色彩和水墨的争辉，山水画趋于成熟
C.
元代宫廷画兴起，形成院体和浙派山水两大画系
D.
清代人物画趋于衰落，而山水花鸟画较为兴盛
【单选题】Question 5. The story at the end of the passage implies that _____. ----- Passage 1 ----- (Para. 1)The air is polluted. The earth is poisoned. Water is unsafe to drink and garbage is burying the civil...
A.
while making progress, modern people should pay close attention to pollution
B.
we should stop sometimes to ask where we are going and why
C.
the bad news is also the good news
D.
pollution has become a serious problem
【简答题】松套光纤与紧套光纤的主要区别是（）。当松套管是用来制作中心管式光缆时，松套管中光纤余长应在（）左右。
【单选题】光缆中容纳的光纤数量多，光缆中光纤余长易控制；光缆的机械、环境性能好，适用于直埋、管道和架空的是（）光缆。
A.
层绞式结构
B.
束管式结构
C.
骨架式结构
D.
内孔为螺旋形中心管式
【简答题】extremely important or necessary
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