【简答题】tuetle.seth ()函数用来改变 。
【单选题】Tourists and loggers are two examples of people who_______.
A.
are a threat to the tribe
C.
should contact the tribe
【简答题】Why should students not be blamed for their language deficiency? (Paras. 6) List two examples.
【简答题】根据吩噻嗪类药物的结构特点,试述有哪几种定量分析方法?
【简答题】Two examples should be enough to explain the point.