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【多选题】
关于定时式转速表的特点,下面说法中正确的是( )。A.
测量精度高
B.
所测出的是转速的平均值
C.
其计数器的打开和关闭是由人工控制的
D.
其定时的时间间隔为3s或6s
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举一反三
【单选题】Questions 19 and 21 will be based on the following news item.---19
A.
March 20 through April 2.
B.
March 21 through April 1.
C.
March 25 through April 1.
D.
March 26 through April 2.
【简答题】Questions 19 to 21 are based on the conversation you have just heard. 第19题： A) To interview a few job applicants. B) To fill a vacancy in the company. C) To advertise for a junior sales manager. D) To...
【单选题】Questions 19 to 21 are based on the conversation you have just heard.19.
A.
Because he wants to improve his skating techniques.
B.
Because he wants to relax.
C.
Because he wants to take a course.
D.
Because he wants to learn to ski.
【单选题】当一支股票强劲上攻的速度减慢,随后展开有序回调,最终形成一个小实体,这可能意味着:
A.
您可以不再考虑观察此股票
B.
近期的下跌回调正在失去力量
C.
应注意接下来市场可能反弹，因为可能恢复上升趋势
D.
您应该对该股票进行做空
【简答题】你应该9点到达(get to)学校。
【简答题】疾病发生的原因包括()、()、()、( )、()、()和()。
【单选题】Questions 19 to 21 are based on the conversation you have just heard,
A.
Conducting a training session for security guards.
B.
Interviewing a person for a job.
C.
Giving a sales talk on alarm systems.
D.
Asking a coworker some questions.
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