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【简答题】
把下列各角度换算为弧度(精确到0.001) (1) 15° (2) 8°30′ (3)−100°
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反馈参考答案：
举一反三
【单选题】新型环保水系灭火器可扑救可燃固体(A类)、可燃油类(B类)、可燃气类(C类)、及 ( ) V以下带电设备的初起火灾。
A.
500
B.
1000
C.
1500
D.
2000
【简答题】用所给单词的适当形式填空。 1. _____ (be) your mother in Beijing last week? 2. He often _____ (play) basketball after school when he was a studerit. 3. —What ______you_____ (do) last night? —I _____ (watch) TV ...
【简答题】Richard found a job in a big office after he finished college. He liked to use his(1)___ and was good at his job. So he was often paid more than (得到的报酬多于) his workmates and he worked (2) _____ . But s...
【简答题】Balzac(巴尔扎克) was a great French writer. But he was very poor before he became famous. He lived in a dirty, wet room and was often worried about food. All his friends were very poor and they could not ...
【简答题】Richard found work in a big office after he had finished college. He liked to use his head and was good 46 his work. So he was often paid more than his workmates and he worked faster. But something wa...
【简答题】Mr. Johnson lives outside the town. He works in a post office. His wife is often ill and six children __26____ at school. He works hard but he is often short of __27____. In the end of every month his...
【单选题】新型环保水系灭火器可扑救可燃固体(A类)、可燃油类(B类)、可燃气类(C类)、及 ( ) V以下带电设备的初起火灾。
A.
A、500
B.
B1000
C.
C、 1500
D.
2000
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