【单选题】下列何药可减轻氯丙嗪引起的锥体外系症状:
【单选题】Pollution is the major ________ of the global warming. [ ]
【简答题】Pollution is a major (n. 恐吓;威胁 ) to the environment.
【单选题】Soil pollution is a major concern in _______ countries.
C.
industrial and developing
【判断题】Internet采用的通信协议是TCP/IP