【简答题】如果测得某种液体有固定的沸点,可否认为该液体为纯净物?
【单选题】What does the word 'that' stand for in the second paragraph? 查看材料
B.
Her research findings.
C.
The fact that cell phone use may cause cancer.
D.
Her research progress.
【单选题】In the word spit , the second phone is _______.
【简答题】Listen to a short speech on phone twice and in the second time fill in the missing words in the blanks.
【单选题】(2004-16)某投标人在提交投标文件时,挟带了一封修改投标报价的函件,但开标时该函件没有当众拆封宣读,只宣读了修改前的报价单上填报的投标价格,该投标人当时没有异议。这份修改投标报价的函件应视为()。
【判断题】In the second phone call, Jacques speaks to Andrea on the phone, and tell her she cannot take the training course.
【判断题】两个双键碳原子只要有一个连接的是相同的原子或基团,就没有顺反异构体。