用于高镁血症的治疗措施是 A．静脉滴注5%的葡萄糖溶液或0.45%的氯化钠溶液 B．

动词（本大题共8分，每小题1分）

小题1:When I walked past the office, I heard them _______( argue) about something in loud voices.

小题2:It was raining heavily outside. We had no choice but _______(watch) TV at home.

小题3:People ___________(search)carefully every time when they go through the gate.

小题4:She didn’t tell me if she ________(fly) to American the next month.

小题5:His parents didn’t go home until the police _______(deal) with the accident.

小题6:Tom _________(write) a novel the whole morning.I wonder if he has finished it.

小题7:There ___________(be)few new subjects next term, are there?

小题8:It’s the third time I ________(arrive) late this month because of the fog.

下图所示信息能体现我国水资源分布特点之一的是（  ）

A．我国水资源的空间分布特点是从东南向西北递减

B．我国水资源年际变化大

C．我国水资源季节分配是夏秋多、冬春少

D．我国水资源人均占有量较低

碘制造影剂可发生过敏反应，除哪项外均属于轻度反应（）。

A.恶心、呕吐

B.气喘、呼吸困难

C.荨麻疹

D.头昏、头痛

E.面色潮红

关于焦点的极限分辨力叙述错误的是（）.

A.焦点大分辨力低

B.焦点面上X线量分布为单峰时分辨力高

C.可用星卡测试

D.R=1／2d

E.对成像结果无影响