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【简答题】
Every child has his own dream. Every child hopes to be an adult. However, is it truly like what they imagine? As a boy who lives in modern times and in a modern city, I feel greater pressure on me with the city’s development. Although we seldom(很少) worry about money, we still have a lot of others such as competition among classmates and expectations(期待) from parents. These experiences are very useful to our future, but in fact, they really give me a lot of pressure. I still clearly remembered the happiness of my childhood. Unluckily, we had to face the fact with time passing by. We began to feel this invisible pressure come upon us. We get up before sunrise and return after sunset. We work and study like an adult, even harder. What we do is in order to get an excellent mark. Oh, growing up is completely boring. We must try to find happiness while growing up. I think the friendship among our friends, the support(支持) from our parents and the encouragement from our teachers can help us. Why not enjoy the pleasure of growing up and its delicious taste? 小题1:The Chinese for the underlined word 'invisible' is __________. A.不显眼的 B.无所谓的 C.无形的 D.不露面的 小题2:What do you think the writer is? A.A parent. B.An adult. C.A teacher. D.A student. 小题3:How does the writer think we can find happiness? A.From friends, parents and teachers. B.By studying hard like an adult. C.With the help of classmates. D.Through talking with parents. 小题4:The best title of the text is “__________”. A.My dream B.My worries C.My pleasure D.My school life
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参考答案:
举一反三
【多选题】PLC的应用领域有
A.
开关量逻辑控制
B.
运动控制
C.
数据处理
D.
闭环过程控制
【简答题】试述影响静脉回流的因素。
【简答题】试述影响静脉回流的因素?
【简答题】试述影响静脉回流的因素?
【简答题】试述影响静脉回流的因素
【简答题】试述影响静脉回流的因素。
【简答题】袋子A、B中均装有若干个大小相同的红球和白球,从A中摸出一个红球的概率是 ,从B中摸出一个红球的概率为p. (1)  从A中有放回地摸球,每次摸出一个,有3次摸到红球即停止。 ①求恰好摸5次停止的概率; ②记5次之内(含5次)摸到红球的次数为 ,求随机变量 的分布列及数学期望。 (2)若A、B两个袋子中的球数之比为1:2,将A、B中的球装在一起后,从中摸出一个红球的概率是 ,求p的值。
【单选题】“从一布袋中随机摸出1个球恰是红球的概率为 ”的意思是
A.
摸球5次就一定有1次摸到红球
B.
摸球5次就一定有4次不能摸到红球
C.
如果摸球状次数很多,那么平均每摸球5次就有一次摸到红球
D.
布袋中有1个红球和4个其它颜色的球
【简答题】一个口袋中装有若干个均匀的红球和白球,从中摸出一个红球的概率是 .有放回地摸球,每次摸出一个,有3次摸到红球即停止. (1)求恰好摸5次停止的概率; (2)记5次之内(含5次)摸到红球的次数为 X ,求随机变量 X 的分布列.
【简答题】试述影响静脉回流的因素。
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