Only outside the Earth's atmosphere ______ to attain extremely high velocities.
A. to be safe for a space vessel
B. is safe for a space vessel
C. for a space vessel to be safe
D. a space vessel to be safe
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案例分析题男性，62岁，右上腹阵发性绞痛伴恶心呕吐凹小时，急诊入院，寒战高热，明显黄疸。检查：巩膜及全身皮肤黄染，P120次/分，T40℃，BP90/60mmHg，剑突下压痛，腹肌紧张，WBC20×109/L 急诊剖腹探查术，术中见胆总管直径为1.8cm，穿刺有脓性胆汁，P130次/分，BP50/30mmHg，此时应采用术式（）
A. 胆囊切除并胆总管切开引流减压
B. 胆囊切除术
C. 胆囊空肠改良式Roux-Y吻合
D. 胆总管空肠Roux-Y吻合
E. 胆总管切开引流减压T管引流
妇女赋权的主要方式不包括( )。
A. 透明化
B. 个别化
C. 权力分析
D. 意识觉醒
Which of the following sentences given below means approximately the same as the proverb: "Don't count your chickens until they are hatched"
A. Some eggs have double yolks, so you can't really count eggs and chickens.
B. You can't walk around the henhouse to count the eggs because it will disturb the hens and they won't lay eggs.
C. It is not really sensible to rely on something that has not yet happened and may not ever happen.
D. Since eggs break so easily, you may not be accurate in your count of future chickens.
青少年社会工作的微观层面一般是指( )层面的社会工作。
A. 个人
B. 家庭
C. 小组
D. 社区
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