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【多选题】
下列属于单耳验配的原则有 _____A.
一般双耳听力损失均小于60 dB，选择听力差的一侧验配
B.
双耳听力损失均大于60 dB，选择听力好的一侧验配
C.
双耳听力损失相差不多，选择听力曲线较平坦的一侧
D.
日常惯用耳优先也是单耳验配考虑的因素
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举一反三
【单选题】On a small farm in a dry climate one should not grow crops that need ______ space and a lot of water to ripen.
A.
considerable
B.
significant
C.
extensive
D.
expensive
【简答题】流体在圆形直管内作滞流(层流)流动时，其速度分布呈______形曲线，中心最大速度为平均速度的______倍。此时摩擦因数λ与______无关，只随______加大而______。
【简答题】当流体在圆形直管中作层流流动时,其速度分布呈 _________型曲线,其管中心的流速为平均流速的 _________倍,摩擦系数λ与Re的关系为 _________。
【简答题】流体在圆形直管内作层流流动时,其速度分布呈 _______ 形曲线,中心最大流度为平均速度的 _______ 倍。
【判断题】Wang Anshi, once the Prime Minister during the reign of Shenzong in the Song dynasty, enforced the farm-loan system to encourage agricultural production.
A.
正确
B.
错误
【单选题】__________ enforced the Farm-Loan System ( also known as The Green Sprout Money).
A.
Wang Anshi (王安石)
B.
Guan Zhong (管仲)
C.
Tang Xianzu (唐宪宗)
D.
Tao Yuanming (陶渊明)
【单选题】What does the word 'enforced' in the sentence 'After about a week of enforced consciousness, the rat begins showing some signs of strain.' mean?
A.
reinforced
B.
expelled
C.
intensive
D.
compelled
【判断题】Wang Anshi, once the Prime Minister during the reign of Shenzong in the Song Dynasty, enforced the farm-loan system to encourage agricultural production.
A.
正确
B.
错误
【单选题】enforced the Farm-Loan System( also known as The Green Sprout Money)
A.
Wang Anshi
B.
Guan Zhong
C.
Tang Xianzu
D.
Tao Yuanming
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