— Will you go camping this weekend?

— Good idea! As we know, going camping in spring ______us less tired.  [ ]

A. make  

B. made   

C. makes

D. has made

慢性肾炎病人蛋白质摄入量在

A．1～2g/(kg·d)

B．1～1.5g/(kg·d)

C．0.8～1g/(kg·d)

D．0.7～1g/(kg·d)

E．0.6～0.8g/(kg·d)