求7-2x+x减去5+3x-2x2的差，把结果按x的降幂排列．

A bus stops at a small bus stop. A man is hungry and he wants to buy some cakes. It’s raining hard. He doesn’t want to go out in the rain. He sees a boy. “Come here, boy!” he cries. “ Do you know how much the cakes are?” The boy says yes. The man gives the boy four dollars and asks him to buy two cakes. “ One is for you and one is for me.” Three minutes later, the boy comes back. He’s eating a cake. He gives the man two dollars and says, “ Sorry, there is only one cake left.”

小题1:The man doesn’t want to go out because     .

A．he is tired

B．he doesn’t like rain

C．he is hungry

D．it’s raining hard小题2:How many cakes does the boy get?

A．Only one

B．Two

C．Three

D．Four小题3:How much are they if we buy five cakes?

A．five dollars

B．Four dollars

C．Ten dollars

D．Fifteen dollars小题4:What’s the result (结果) of the story?

A．The man eats the cake.

B．The boy eats the cake.

C．The boy doesn’t eat the cake.

D．The boy and the man both eat the cakes.

根据课文内容默写填空。

　　成就的大小、高低，是不在我们掌握之内的，一半靠__________，一半靠__________，但只要__________，就不怕__________，不怕__________，不怕打击——不管是人事上的，生活上的，技术上的，学习上的——打击；从此以后你可以孤军奋斗了。

患者，男，62岁。2个月前于私人口腔门诊镶牙，现牙齿、牙龈疼痛，无法咀嚼。查：右下7654及左下67缺失，右下塑料人工牙7654，通过钢丝捆绑固定在右下83。左下45678固定烤瓷桥修复体，义齿稳固。双侧基牙牙龈红肿，口内有臭味。

按Kennedy分类法，该牙列属于几类缺失（）.

A.Kennedy Ⅰ类缺失

B.Kennedy Ⅲ类缺失

C.Kennedy Ⅱ类Ⅰ亚类缺失

D.Kennedy Ⅲ类Ⅰ亚类缺失

E.以上都不对

“某某公司向社会公众告知聘请某某担任该公司常年法律顾问的事宜”，应该使用什么文种行文。（）

A.决定

B.通知

C.通告

D.通报

小儿乳牙开始脱落更换恒牙的年龄范围是

A．2～3岁
B．4～5岁
C．6～7岁
D．8～9岁
E．10岁