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问题 单项选择题

淡彩效果婚妙照的主光灯位范围是（）。

A、顺光位，灯位尽量靠近镜头主轴延长线

B、逆光位，灯位尽量靠近镜头主轴延长线

C、侧光位，灯位与镜头主轴延长线保持较大距离，使被摄主体有立体感

D、侧顺光位，灯位与镜头主轴延长线保持较大距离，使被摄主体有立体感

答案

参考答案：A

填空题

Today’’s lecture we’’ll center on the prehistoric people of Nevada Desert. Now most of these prehistoric desert people (36)______the countryside throughout the year. You might think that they’’re wandering aimlessly. Far from it, they actually followed the (37)______of carefully planned moves. Where they moved depended on where food was (38)______. Places where plants were ripening or fish were (39)______. Now often when these people moved, they carried all their (40)______on their backs. But if the journey was long, extra food and tools were sometimes stored in caves or (41)______rocks. One of these caves is now an exciting (42)______ site. Beyond its small opening is a huge underground (43)______. Even though the cave is very large. It was certainly too dark and dusty for the travelers to (44)____________. But it was a great place to (45)____________. And tremendous amounts of food supplies and artifacts have been found there.The food includes dried fish, seeds and nuts. The artifacts include stone spear points and (46)____________. The spear points are actually rather small. Here is a picture of some that were found. You can see their size in relation to the hands holding them.
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单项选择题

硫酸阿托品鉴别试验所采厨的试剂是（）.

A．氢氧化钠和硫酸铜 

B．溴水和氨试液 

C．发烟硝酸和醇制氢氧化钾 

D．甲醛-硫酸试液 

E．重铬酸钾
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