客舱温度应根据季节和航线特点适量调节，一般应保持在（） ，灯光柔和，夜间飞行可适当调暗。

---What should I do first before boarding? ----().A.You may ask the policeman there to help.B.Please go to the airline counter to check-in for your flight.C.You should wait and see. D.You have to go there to check in for your flight.

A.
A.You
B.
B.Please
C.
C.You
D.You
E.

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在母乳喂养的优点中，下列哪项不正确( )。

A.含有宝宝所需要的最适宜的蛋白质，脂肪和乳糖
B.维生素和矿物质的含量少
C.含有宝宝所需的足够的水分
D.含有宝宝所需的足够营养

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