能杀虫疗癣止痒，专供外用，不作内服的药物是（）

【名词&注释】

椎间盘(intervertebral disc)、土荆皮(bark of golden larch)、正常人(normal)、化学作用(chemical action)、能歌善舞

[单选题]能杀虫疗癣止痒，专供外用，不作内服的药物是（）

A. 土荆皮
B. 硫黄
C. 轻粉
D. 铅丹
E. 白矾

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学习资料：

[多选题]西周末年，出现了专供贵族娱乐的艺人——优，他们的特点是（）

A. 全部由男性充任
B. 女性仅作配角
C. 能歌善舞
D. 动作引人发笑
E. 语言幽默

[单选题]Questions from 36 to 40 are based on the following passage:

A. Questions from 36 to 40 are based on the following passage:
B. 　　Against this background, the WTO faces several daunting challenges. The first is to continue bringing down tariffs on traded goods. Average penalties have fallen steadily since the GATT’s formation but even the most open economies retain lofty barriers: for instance, America still charges a tariff of 14.6% on import of clothing, five times higher than its average levy.
C. 　　Resistance to tariff cuts is strongest in agriculture. According to Tim Josling, a trade expert at Stanford University, tariffs and other barriers on farm goods average a crippling 40% worldwide and create distortions that “destroy huge amounts of value”. A new set of global farm talk is planned to start in 1999. At the least, you might think, these could lock in impressive reforms in Latin America and encourage further watering-down of the European Union’s Common Agricultural Policy. But they will prove difficult: squabbles over agriculture almost sank the Uruguay round.

[单选题]超声波防垢通过采用（）来抑制结垢过程

A. A、波长
B. B、声场
C. C、化学作用
D. D、物理作用

[单选题]下列哪一椎节之间没有椎间盘()

A. A．颈1～颈2
B. B．颈2～颈3
C. C．颈3～颈4
D. D．颈4～颈5
E. E．颈5～颈6

[单选题]正常人射精60分钟内，a级精子应（）

A. ≥15%
B. ≥25%
C. ≥35%
D. ≥45%
E. ≥55%

[单选题]脑复苏头部低温治疗的目标温度是（）

A. 鼻咽温度32～35℃
B. 食管下段温度32～35C
C. 直肠温度32～35℃
D. 腋温32～35℃
E. 口腔温度32～35℃

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