题目

There are ________ people on the bus. I have ________ work to do.A.too many; too many B.too much; too manyC.too much; too much D.too many; too much 答案：【答案】D【解析】句意：公共汽车上的人太多了。我有太多的工作要做。考查too many和too much的区别。too many太多，修饰可数名词；too much太多，修饰不可数名词。分析第一处可知，此处修饰可数名词people，所以用too many；第二处修饰不可数名词work，所以用too much。故选D。若A+B=，且A，B≠kπ+（k∈Z），则（1+tanA）（1+tanB）=    ．