某卧式罐测量数据如下：D=2800mm，r=280mm，h=540mm，α＝63°3

Thanks to his being well trained in the past three months, Johnson ______ a fine race and won the gold medal.

[      ]

A. took

B. made

C. ran

D. had

I think            grammar is a great way            learn a language.[ ]

A. study, for

B. learns, of

C. studying, to

患者男性，25岁，胰岛素依赖型糖尿病10年，用胰岛素治疗。患者于1h前突感心悸、出汗，神志不清、昏迷，最可能的诊断是

A．低血糖昏迷

B．脑血管疾病

C．糖尿病酮症酸中毒昏迷

D．高渗性非酮症性昏迷

E．乳酸性酸中毒

散热器盖（膨胀箱盖）不具有（）作用。

A.提高系统压力

B.密封冷却液

C.调节系统压力

D.防止冷却液溅出

票据法规定转让背书必须记载的事项有哪些？