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Are you nervous when you stand in front of the public? Are you afraid to make a speech? Li Jun, a middle school boy, felt shy when he was making a speech the other day. Li had thought it would be quite easy to speak in front of 1 classmates. 'I was wrong. It was very different and much 2 than talking to my classmates during playtime,' Li said. 'I tried, but it was really difficult to speak. I felt like a mute (哑巴) and wanted to leave the classroom 3 ' Li is not alone. Many middle school students now have the same 4 : they can talk about their ideas freely 5 their best friends after class, but can't speak in public. According to Zhou Hong, a teacher from a university, the main reason is that schools in China pay more attention to writing instead of 6 . Zhou hopes schools can give students more chances to open their 7 , such as speech competitions, English corners and class discussions. Students can join in any one they want to. 8 he also gives some advice to students. 'During your free time you should 9 more. When you're speaking in public, take it easy. Just imagine you're talking to nobody and speak up your ideas clearly,' Zhou said. 'That 10 a fine public speech and you'll feel confident. ' 小题1: A.her B.my C.your D.his 小题2: A.harder B.easier C.better' D.later 小题3: A.slowly B.quickly C.sadly D.happily 小题4: A.answer B.subject C.problem D.question 小题5: A.except B.beside C.from D.with 小题6: A.listening B.speaking C.reading D.singing 小题7: A.mouths B.eyes C.minds D.hearts 小题8: A.But B.So C.And D.Or 小题9: A.play B.practice C.write D.watch 小题10: A.reports B.keeps C.hears D.makes
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【多选题】. 图元标注主要包括以下三方面信息 ______
A.
场地标注
B.
警示标注
C.
任务区域标注
【判断题】两个物体之间的作用力F和反作用力F',沿同一直线,大小相等,方向相反,作用在同一个物体上。
A.
正确
B.
错误
【判断题】两个物体之间的作用力与反作用力总是大小相等,方向相反,沿同一直线且分别作用在这一个物体上。()
A.
正确
B.
错误
【判断题】《旅行社条例》第38条规定旅行社应当投保旅行社责任险。( )
A.
正确
B.
错误
【单选题】G024.图元标注主要包括以下三方面信息
A.
坐标高度,航向标注,载荷任务标注
B.
场地标注,警示标注,任务区域标注
C.
航程标注,航时标注,任务类型标注
【单选题】假定某商品的需求函数为P=300-6Q,供给函数为P=60+2Q,则均衡价格和均衡常量分别为( )。
A.
P=180,Q=20
B.
P=180,Q=60
C.
P=120,Q=30
D.
P=100,Q=20
【单选题】图元标注主要包括以下三方面信息______
A.
坐标标注、航向标注、载荷任务标注
B.
场地标注、警示标注、任务区域标注
C.
航程标注、航时标注、任务类型标注
【判断题】两个物体之间的作用力和反作用力,总是大小相等,方向相反,沿同一直线,并同时作用在任意一个物体上。
A.
正确
B.
错误
【简答题】假定某商品的需求函数和供给函数为 Q d =100-2p , Q S =10+4p (1) 求该商品的均衡价格和均衡交易量; (2) 求该商品的供求均衡时需求价格弹性和供给价格弹性; (3) 当供给改变为 Q S =28+4p 时,求出供给改变后新的均衡点的需求价格弹性和供给价格弹性,并与原来的弹性加以比较。
【简答题】假定某商品的需求函数和供给函数为 Q d =100-2p Q S =10+4p 求该商品的均衡价格和均衡产量
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