题目:I walked slowly through the market, where people all kinds of fruits and vegetables.I studied the prices carefully and bought what I needed.
A. sell
B. were selling
C. had sold
……继续阅读 »
题目:People often fall ill because of me.36 , they can hardly blame me; it is largely their own37 . A tired person may get38 , especially when he goes to crowded places with polluted……继续阅读 »
题目:If our sense of wonder relies totally on the world of make-believe,we will
A.fail to appreciate the joy in our lives
B.be confused by the world of make-believe
C.miss the chance……继续阅读 »
题目:下列有关实验操作的说法正确的是
A. 可用25ml碱式滴定管量取20.00ml KmnO4 溶液
B. 用pH试纸测定溶液的pH时,需先用蒸馏水润湿试纸
C. 蒸馏时蒸馏烧瓶中液体的体积不能超过容积的2/3,液体也不能蒸干
D. 将金属钠在研体中研成粉末,使钠与水反应的实验更安全
喵查答案:C
【解析】A项中的KMnO4溶液有很强的氧化性,会腐蚀橡皮管……继续阅读 »
题目:Historians have always considered Zhang Qian’s mission important because they believe .
A. be brought back knowledge of Rome to the emperor
B. be discovered the Silk Road
C. be ……继续阅读 »