| The idea of rain making is almost as
old as man, but it was not until 1946 that man succeeded in making rain. In
ancient times, rainmakers {{I}}claimed{{/I}} (声称) to be able to bring rain by many
methods: dancing, singing, killing various kinds of living creatures (including
humans), and blowing a stream of water into the air from a kind of
pipe. More recently, some rainmakers claimed to make rain by shooting guns, causing explosions, or burning chemicals, the smoke of which was supposed to cause rain to fall. These rainmakers asked for as much as 1,000 dollars to make an inch of rain. One was so effective that he was almost hanged. He was believed to have caused a twenty-inch ra A. Killing pigs and sheep. B. Blowing a stream of water into the air from a kind of pipe. C. Shooting guns or causing, explosions. D. None of the above is right. [判断题]居民区的消费习性为消费稳定，讲究便利性、追求性价比
A.正确 B.错误 [单选题]某施工单位进行施工，需要使用一批模板，一次使用350m2，损耗率为5％，周转次数为5，则周转使用量为( )m2。
A.80
?
B.82
A.? B.84 C.? D.85 [单选题]随着锅炉压力的逐渐提高，它的循环倍率（）
A.A、固定不变 B.B、逐渐变大 C.C、逐渐减小 D.D、突然增大 [单项选择]西方“写实人物画”完全成熟是在（）。
A. 19世纪末 B. 19世纪中期 C. 19世纪初 D. 18世纪末 [单选题]（ ）限额对多头头寸和空头头寸相抵后的净额加以限制。
A.净头寸 B.总头寸 C.交易 D.头寸 [单项选择]备用增压方式里，”CABIN RATE”选择器的三角标记所对应的座舱高度变化率为多少（）？
A. 50ft/min B. 300ft/min C. 500ft/min D. 2000ft/min [单选题]试验装置的金属外壳应可靠接地；高压引线应尽量缩短，并采用（）高压试验线，必要时用绝缘物支持牢固。
A.常见的 B.普通的 C.便携式 D.专用的 [判断题]可以用相线碰地线的方法检查地线是否接地良好。.
A.正确 B.错误 我来回答: 提交
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