问题
多项选择题
AHFQ—Ⅲ型粉尘采样器，是一种测定空气环境中游离粉尘的常规仪器，主要由（）等部件构成。
A.气泵、流量计
B.定时控制电路、流量调节电路
C.流量稳定电路
D.三角架
E.本安电源
答案
参考答案：A, B, C, E
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AHFQ—Ⅲ型粉尘采样器，是一种测定空气环境中游离粉尘的常规仪器，主要由（）等部件构成。
A.气泵、流量计
B.定时控制电路、流量调节电路
C.流量稳定电路
D.三角架
E.本安电源
参考答案：A, B, C, E
As she waited at the edge of the ice for her music to start,. Peggy took a quick look at her father standing nearby with a group of parents and teachers. He smiled at her. Then she 1._____ out at the audience, 2._____ to see her mother. These two, Alvert and Doris Flemint, had 3._____ all the way from California more than 2,000 miles away, to see their 4._____ compete in this sports meet in Cleveland, Ohio. The music 5._____ and Peggy moved onto the ice, letting the music 6._____ her along into her turns, and she began skating with much 7._____ in herself. The cold fear she always had in the 8._____ seconds before skating onto the ice was 9._____. She was feeling the movement of the 10._____ and letting it carry her. She skated easily, 11._____ did some jumps, a final turn and her performance was 12._____. The crowd loved it and cheered 13._____ she skated off the ice. “Nice job,” said one of the other 14._____. It was the remark that 15._____ came after a free-skating performance. But what should the 16._____ say? Standing beside her father, Peggy 17._____ for the scoring to be finished. On all sides were other young skaters, some waiting 18._____ alone, others with a parent. Shortly before 10 o’clock the results were 19._____. The new United States Women’s Figure Skating Champion was Peggy Fleming of Passdena, 20._____.
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