【单选题】If you still feel ill after a couple of days, you __.
A.
should go to see your doctor
B.
should visit the pharmacy
C.
should try a different home remedy
【单选题】— How are you today? — Oh, I _____ as ill as I do now for a very long time. [ ]
【单选题】______ you feel too ill to go out, I would rather not stay at home tonight.
【简答题】图示各杆均为圆形截面的细长压杆,已知各杆所用的材料及直径d均相同,各杆的长度如图所示,当压力F从零开始以相同的速率增加时,问哪个杆首先失稳(只考虑在纸平面内失稳)?
【判断题】When you are ill, you feel bad.
【单选题】If you still feel ill after a couple of days, you .
A.
should visit the pharmacy
B.
should try a different home remedy
C.
should go to see the doctor
D.
should drink more water
【判断题】一项销售行为如果既涉及货物又涉及 服务 ,为 混合销售。