【简答题】Complete the sentences below. Use the nouns from the box. bill reservation booking receipt center fax call luggage flight seat 1. I need to change my _________...

【单选题】观察粉末药材中的石细胞,最佳的制片方法是

【简答题】I need to change my________________.

【简答题】小雨在户外游戏的时候,发现幼儿园里面的树叶不太一样,有的叶子软软的,毛毛的,有的叶子很硬,很光滑。小雨获得经验是:

【单选题】What did Jane check before she decided on the appointment time with Sam?

【多选题】定价广告类包括:( )

【简答题】I need to change my ________(不健康的) life.

【判断题】稳定性是指注意能否较长时间的保持在某种事物或从事的某种活动上。

【判断题】指导语对实验结果毫无影响。

【单选题】听力原文：M: Jane, did you receive the e-mail from the vendor regarding the new order? I asked them to send the list of new products a couple of days ago. W: Not yet, Tim. I have already e-mailed to Jason ...