请对号入座：

____——a——____

____——b——____

____——c——____

____——d——____

____——e——____

写的时候，可以用上下面的词语。

早晨         过了一会儿     到了下午         天黑了

科学家研究发现，人体大脑皮层体液最理想的pH介于7.35～7.45之间．人体大脑皮层体液的酸碱度（　　）

阅读下列短文，从每题所给的A、B、C和D项中，选出最佳选项。

                                                                              Musicians wanted

      We want four good musicians for our rock band(摇滚乐队). Are you a musician? Can you sing? Can you play the piano, the guitar or the drums? Do you want to be the best musician? If you want to join us, please send(发送) an e-mail. Our e-mail address is rockband2009 @pep.com.cn. Or you can call Mr. Liu at 790-4566.

                                                                             Teachers needed

      Are you an art te acher? Can you paint (绘画) or draw well? Are you good with kids? We need two teachers for our art club. Please find Mrs Wang for more information(信息) or call 628-1183.