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问题 单项选择题 A1型题

中心静脉压的高低取决于下列哪项因素（）

A.血管容量和血量

B.动脉血压和静脉血压之差

C.心脏射血能力和静脉回心血量

D.心脏射血能力和外周阻力

E.外周静脉压

答案

参考答案：C

多项选择题

下列有关全口义齿平衡同心圆五因素学说的叙述，正确的是（）。

A.髁导斜度与切导斜度间为反变关系

B.髁导斜与补偿曲线度曲度为反变关系

C.切导斜度与补偿曲线曲度为正变关系

D.补偿曲线曲度与定位平面斜度为正变关系

E.牙尖斜度与定位平面斜度间为反变关系
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单项选择题

Man: It seems the restaurants here have little business these days. Woman:That’s true. But ours is a scenic resort. And this is not the busy season. When summer comes, you’ll see armies of tourists waiting in line in order to get a seat. Question:What do we learn from the conversation about the restaurants in the town

A．They stay closed until summer comes.

B．They cater chiefly to tourists.

C．They are busy all the year around.

D．They provide quality service to their customers.
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