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问题 不定项选择

以初速度V0相隔较短的时间先后从同一高度竖直上抛质量相等的A、B两个小球，不计空气阻力，则它们在空中相遇时具有不同的物理量是 [ ]

A．加速度

B．速度

C．位移(对抛出点的)

D．动能

答案

BD

单项选择题

A gravida 2, para 1 with pregnancy-induced hypertension is receiving magnesium sulfate IV, 2g/hour via infusion pump. In assessing the client, the nurse notes a decrease in respirations from 16 to 12 breaths/minute and slightly pink-tinged urine (output is 25mL/hour). The client still complains of feeling sleepy. The nurse’s action should include （）.

A．checking the most recent serum level of magnesium sulfate and notifying the physician of the results.

B．turning the client on her left side and taking vital signs again.

C．flushing the client’s indwelling urinary catheter with sterile normal saline solution to see if it’s draining properly.

D．instructing the client to turn, cough, and deep breathe every 30 minutes.
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单项选择题 案例分析题

读“某大陆等温线（℃）图”（图1）和“该月某日海平面等压线（单位：hPa）图”（图2），完成小题。

图2中可能出现降水的地点是（）

A.Q

B.T

C.S

D.R
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