题目： 在一次考试中，某班19名男生总分得a分，16名女生平均得分b分，这个班全体同学的平均分是（ ）A．19a+16b35B．a+16b35C．a+b35D．19(a+b)35 答案： 可先求全体同学的总分为a+16b，再求班级总人数为16+19=35．所以这个班全体同学的平均分是a+16b35．故选B．
题型：填空题 用方框中所给单词的适当形式填空。Wonder, trek, peace, church, tire, fascinate, fall, education, tour, thrill1. Living in the country is quite ________2. Looking after the children is a ______job.3. What kind of movies do you like, comedies or ________?4. Volunteering is both interesting and .5. It is _______to go skiing in summer.6. The scenery in Hawaii is , so you can take it easy there.7. When winter is coming, Harbin is very ____.8. -How many big are there in Paris? -Only one. It's called Notre Dame Cathedral.9. I prefer through the Amazon jungle.10. It's exciting to watch Niagara ______. 查看答案
题型：多项选择题 关于期货公司经营期货经纪业务又同时经营其他期货业务的相关表述，正确的有( )。A．资金可以混合但业务必须分离B．应当严格执行资金分离制度C．不得混合操作D．应当严格执行业务分离制度 查看答案
