--Aren’t we living a happy life?

--You should not be content with what you have. _______, you must be better in every aspect of your life.

A．What’s more

B．On the one hand

C．In other words

D．Believe it or not

B737-7004人制水/陆迫降时SS4号位乘务员携带物品包括（）

A.急救箱、应急医疗箱、手电筒

B.急救箱、应急医疗箱

C.急救箱、手电筒、ELT

D.手电筒、ELT