Her pulse was so weak that the doctor had difficulty()it.
A. inspecting
B. detecting
C. touching
D. contacting
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下列关于影响儿童心理发展的客观条件叙述的不正确的有()。
A. 环境不会影响生理成熟
B. 环境影响遗传物质因素的变化
C. 遗传物质及其后的生理发展制约着环境对儿童心理的影响
D. 对影响儿童心里发展的客观因素应作具体的和综合的分析
There is need to check the()of the report.
A. frequency
B. accuracy
C. emergency
D. efficiency
Accidents are of frequent()on this motorway because the traffic is extremely heavy here.
A. arrival
B. proportion
C. scale
D. occurrence
Professor Collins was()of the latest developments in physics because he had been in hospital for several months.
A. unconscious
B. negative
C. robbed
D. ignorant