The vocabulary and grammatical differences between British and American English are so trivial and few as hardly （）.
A. noticed
B. to be noticed
C. being noticed
D. to notice
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Lowbrows are quite （） for highbrows to have symphonies and their Russian novels.
A. skeptical
B. contained
C. stunning
D. yearning
热极津枯重证之人，可见
A. 干荔舌
B. 赭黑舌
C. 火柿舌
D. 雪花舌
离心泵基本特性曲线中最主要的是（ ）曲线。Q——流量；H——扬程；P——功率；η——效率；Δh——允许汽蚀余量。
A. Q—H
B. Q—P
C. Q—η
D. Q—Δh
特发性血小板减少I生紫癜患者治疗8个月后，血小板上升为30×109/L，仍有出血症状，51Cr标记血小板扫描脾区的放射指数比值较高，进一步治疗可选用( )
A. 肾上腺糖皮质激素
B. 脾切除
C. 免疫抑制剂
D. 大量甲泼尼龙
E. 去氨加压素
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