What can be said about the varieties of homes
A. The early homes were larger than the more modem breeds.
B. The only true wild homes left in the 20th century am in the Middle East.
C. The oldest breed of the modem horses is said to be the Arabian.
D. Medieval Knights preferred fast, active horses.
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What are some of the characteristics of the horse
A. Poor memories.
B. More intelligent than the dog.
C. Great loyalty.
D. In some areas they can exceed the abilities of man.
只要企业存在固定成本,在息税前利润大于0的情况下经营杠杆系数必( )。
A. 与销售量成正比
B. 大于1
C. 与固定成本成反比
D. 与单价成正比
男性,51岁,因肝硬化腹水入院,放腹水3000ml后出现睡眠时间倒错,昼睡夜醒,狂躁不安;扑翼样震颤阳性;脑电图异常。下列哪项治疗措施不适当( )
A. 限制或禁食蛋白质
B. 给予巴比妥类镇静药
C. 纠正水电解质平衡紊乱
D. 口服乳果糖
E. 补充谷氨酸钾
One of the causes of earthquake might be that ______.
A. it occurs in the center of the earth, so experts cannot tell when earthquakes will occur
B. there is rushing water in the center of the earth
C. solid rocks under the ground move and strain against each other, causing the earth's surface moving
D. there are other unknown causes