Mr Jones, a professor, _____ for his exc_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

Mr Jones, a professor, _____ for his excellent lectures, is popular with his students.

A. known
B. knowing
C. to be known
D. having known

答案

答案：A

填空题

计算：（-2）⁰+（

）^-2=______；3²⁰⁰⁴×（

）²⁰⁰³=______；（-

）^-1=______．

单项选择题 A1/A2型题

老年人容易发生坠积性肺炎的原因不包括（）

A.老年人长期卧床

B.加强肺活量的训练

C.咳嗽反射减弱

D.呼吸系统纤毛运动、清除功能下降

E.脏器功能低下