【单选题】The blizzard (暴风雪) moved south,turning into an icy rain that ________ the airports for three days.
A. analyzed
B. analyze
C. paralyzed
D. paralyze
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【单选题】In this introduction we have diagnosed some of the causes of the illness and, in the following chapters, we will draw attention to its various unpleasant ________.
A. suggestions
B. statements
C. symptoms
D. systems
【单选题】In those days, divorce under any circumstances was socially unacceptable and there was great ________ in the family who went through it.
A. disapproval
B. disaster
C. discussion
D. dismay
【单选题】Every time she talked about being rejected in her hunt for a job, she seemed on the ________ of tears, and I would quickly switch the conversation to another topic.
A. brick
B. brink
C. break
D. blood
油脂酸败常用的卫生学指标有()。
A. 酸价
B. 农药
C. 过氧化值
D. 羰基价