五味子治心悸、失眠、多梦与其哪些功效有关()。
A.补益心肾
B.益气生津
C.宁心安神
D.涩精止遗
E.敛肺敛汗
参考答案:A, C
牙周炎时引起牙齿松动的因素不包括()
A.牙槽骨吸收
B.咬合创伤
C.牙周韧带急性炎症
D.牙周袋形成
E.A+B+C
It is Sunday today. It is lovely weather we want to spend the day on the beach.
A.such a; that
B.such; that
C.such; as
D.so; that