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【简答题】
We know from the passage that ________. A) exposure to even tiny amounts of radiation is fatal B) the effect of exposure to radiation is slow in coming C) radiation is avoidable in space exploration D) astronauts in spacesuits needn’t worry about radiation damage
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反馈参考答案：
举一反三
【单选题】关于脊神经的描述，正确的是
A.
共有28对
B.
除胸神经外，其余各对脊神经分别交织成丛分布
C.
后支仅含躯体感觉纤维
D.
前支是含有四种成分的混合性神经
E.
有分支支配喉肌
【单选题】According to the author, the reason why we go wrong about our friends is that ______.
A.
we fall to listen carefully when they talk
B.
people tend to be annoyed when we cheek what they say
C.
people usually state one thing hut means another
D.
we tend to doubt what our friends say
【简答题】The reason, why we are touched by the sound of music is that we human beings have___________.
【简答题】简述地下害虫的综合防治措施。
【单选题】有关脊神经的描述不正确的是
A.
包括神经节、神经丛和神经干
B.
功能相同的细胞体集中在一起，但于中枢部的这种细胞体集团称为细跑核
C.
根据形态和功能分为脑、脊神经节和自主神经
D.
共有31对
E.
前根C6-C8有交感纤维，L5-S1有副交感
【单选题】The reason _____ we don't like him is _____ he often lines. [ ]
A.
that; why
B.
why; that
C.
why; because
D.
that; because
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