— _________ —It's 3307-0602．You can call me in the evening． A．What's your name? B．Do you have a telephone? C．What's your phone number?
下列几种常见的物质中，属于纯净物的是 A．食醋 B．碳酸氢铵 C．空气 D． 自来水
I wonder______. A. how much cost these shoes B. how much these shoes cost C. how much do these shoes cost D. how much are these shoes cost
设函数f(x)对任意x,y，都有，且时，f(x)<0，f(1)=－2． ⑴求证：f(x)是奇函数； ⑵试问在时，f(x)是否有最值？如果有求出最值；如果没有，说出理由.
下图表示雄果蝇细胞分裂过程中DNA含量的变化。下列叙述中，正确的是 A．若图1表示减数分裂，则图1的CD段表示同源染色体分开 B．若图1表示减
书面表达（25 分） 某英文报社准备刊发一篇题为Living in the city的有关城市生活的利和弊的文章，根据下面提示，写一篇词数为100左右的短文。 Advantages
（2010·湖南桃源一中高三10月月考） 26. The message is very important, so it is supposed ________ as soon as possible. A. to be sent B. to send
