电力机车称重调簧的目的是使轮重轴重分配均匀,充分利用轮轨间的(),发挥机车最大()。
参考答案:粘着力;粘着力
单词拼写
根据下列句子及所给汉语注释,在横线上写出空缺处各单词的正确形式,每空只
写一词。
1. When I came to the riverside, I found a boy __________(挣扎) in the water.
2. At ________(高度) of four miles, the air becomes too thin to breathe.
3. She hopes to be a __________(音乐家) in the future.
4. The _______(战士) was praised for rescuing the child from drowning.
5. People should wash ______(定期)to ensure personal health.
6. Miss Green lives on the _______(十二)floor. We'd better take the lift.
7. The_______(秘书) informed me of his arrival by telephone.
8. Is it convenient for you to spare some time? I'll go and see you next ________(星期四).
9. The thief ________(承认) his crime when he was questioned by the police.
10. The voice on the phone sounds _________(熟悉) to me.
患者,男性,16岁,左上腹被自行车碰伤后2小时,伤后腹痛、呕吐1次,为胃内容物,自觉头晕、乏力、口渴、心慌。查:脉搏110次/分,血压85/60mmHg,面色苍白,四肢湿冷,左上腹见一4cm×4cm皮下淤血斑,全腹压痛,轻度肌紧张和反跳痛,以左上腹为主,叩诊有移动性浊音,听诊肠鸣音较弱
根据患者症状和体征,最可能的诊断是()
A.肝破裂
B.脾破裂
C.空、回肠破裂
D.结肠破裂
E.胰腺损伤