皮皮学,免费搜题
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【简答题】
首字母填空 These years, with the development of society(社会), more and more teenagers have suffered from stress. Some of the problems can make them feel very w 小题1: and unhappy all day. Who can help them? A teacher from a college tried his best to help them. He thought of a lot of w 小题2: to help them. On Monday and Thursday, you can c 小题3: his hotline. Here are some ideas how to keep the young men healthier in every way. F 小题4: , it is very important to keep healthy. To get e 小题5: sleep every day is also necessary. Try to have a healthy d 小题6: every day. Secondly, maybe you are not the top student. It doesn’t m 小题7: . The most important thing is to work hard. If you try your best, your teachers and parents will understand you. If you have some problems, you should be a 小题8: to talk with your teachers and parents. They can help you. Remember to s 小题9: your happiness and s 小题10: with your good friends. Sometimes you can go out for a walk. In a word, you can try to make you happy by yourselves. I’m sure you can be happy every day.
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举一反三
【单选题】已知某黑体的最大放射能力对应的波长为0.5μm,那么该黑体的温度为()
A.
5796K
B.
6100K
C.
300K
D.
250K
【判断题】力偶可在刚体的同一平面内任意转移,也可向刚体的不同平面任意转移而不会改变力偶对刚体的作用。
A.
正确
B.
错误
【判断题】在力偶矩的大小和转向不变的条件下,力偶可在其作用平面内任意移动位置,也可改变力偶中力的大小和力偶臂的长短,而不改变力偶对物体的作用。
A.
正确
B.
错误
【简答题】使用手砂轮对推土机履带销子进行磨削时应该注意的事项有哪些?
【单选题】氯丙嗪降温作用的特点:
A.
产热减少,散热减少
B.
产热减少,对散热过程无影响
C.
降温作用随环境温度变化而变化
D.
可降低正常与发热者体温
E.
只降低发热者体温
【多选题】与非医药电子商务比较,医药电商至少具有的特征包括:
A.
交易主体的身份必须通过权威机构实名认证
B.
只需双赢,买卖双方可以不问其他要求
C.
交易双方必须具备符合所在国家法律法规要求之资质
D.
交易范围、交易行为与方式等均必须严格依法施行
E.
在线客服与支付方式要求更懂医药专业与政策
【简答题】已知某黑体的最大放射能力对应的波长为 0.5 微米,试求该黑体的温度。
【简答题】使用手砂轮对挖掘机履带销子进行磨削时应该注意的事项有哪些?
【判断题】力偶可在刚体的同一平面内任意转移,也可向刚体的不同平面任意转移而不会改变力偶对刚体的作用。
A.
正确
B.
错误
【判断题】观光线路车可以采用单轨列车。
A.
正确
B.
错误
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