【简答题】Viele Menschen fürchten vor der Dunkelheit.
【简答题】对于一个由一般仪器、仪表构成的检测系统,通常由____、____、____数据处理装置等组成。
【判断题】在水处理中,水的碱度指的是 OH- 碱度。
【简答题】________ Flughafen kann man viele Menschen sehen.
【单选题】Viele Menschen fahren gern _______ die Schweiz.
【单选题】听力原文:W: The bookstore has run out of the textbook assigned by Dr. Martin. M: He didn't expect so many students to take his class this semester. Q: What do we learn about this situation? (18)
A.
Dr. Martin didn't want so many students in his class.
B.
The students were supposed to buy the textbook earlier.
C.
The bookstore is going out of business.
D.
Dr. Martin didn't order enough textbooks for his students.
【单选题】网络互联时,运输层及以上层常采用的设备是() 。
【简答题】成分检测仪表构成一般由()、()、检测器、()及显示环节等组成。