问题
单项选择题
以Boyden小室法能检测（）
A.小吞噬细胞的随机运动能力
B.受检的细胞吞噬能力
C.反映细胞杀菌的情况
D.中性粒细胞的吞噬调理能力
E.中性粒细胞的定向运动能力
答案
参考答案：E
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以Boyden小室法能检测（）
A.小吞噬细胞的随机运动能力
B.受检的细胞吞噬能力
C.反映细胞杀菌的情况
D.中性粒细胞的吞噬调理能力
E.中性粒细胞的定向运动能力
参考答案：E
Passage Four
Why haven’t British government bodies initiated any studies
A．Because they do not take the problem of sleepy drivers on motorways as of great significance.
B．Because they have not been aware of the seriousness of the problem of sleepy drivers.
C．Because they have no figures on the number of accidents caused by drivers’ sleepiness.
D．Because they plan to support relevant researches or a general study on "driver behaviour".