已知空气状态点无法用h－d图查取如下参数（）。
A.相对湿度
B.饱和水蒸汽分压力
C.大气压力
D.焓
参考答案：C
根据句意，用所给单词或短语的适当形式填空。（每词或短语只限使用一次）。
小题1:These shoes are too big for my ________.
小题2:It is a _______ day. Let’s go outside and play.
小题3:In spring, I often ________ in the Red Star Park.
小题4:Michael _______ his old friend Lily this morning.
小题5:Susan will sing some pop songs at her ______ concert.
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