下列哪个不是PTU自动工作的条件（）。
A.飞机在空中
B.襟翼未收上
C.襟翼大于15度
D.右发EDP压力低于2350PSI
参考答案：C
根据句子意思，用括号中所给单词的适当形式填空。
小题1:The girl is (slim) than any other girl in her class.
小题2:The sun shines (bright) at times these days.
小题3:—Simon, I’ve left my dictionary at home. May I use (you)?
—Certainly, here you are.
小题4:He loves English. He practices (speak) English every morning.
小题5:Sometimes it requires courage to tell the (true).
小题6:They turned around but could not see anything (usual).
急诊危重患者的代谢特点有哪些？
