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更多“在8、11、17、9、34、75、60中，质数有（）个”相关的问题
A.6 12 12 14 15 18 22 8
B.55 65 75 85 95 105 115 125
C.6% 11% 11% 13% 14% 17% 21% 7%
D.60 70 80 90 100 110 120 130
A.9°
B.8~11°
C.7~14°
D.6~17°
The great storms that hit the coast start【6】innocent circling disturbances hundreds, even thousands of miles out to sea. As they travel aimlessly over water【7】by the summer sun, they are carried westward by the【8】winds. When conditions are just【9】, warm, moist air flows in【10】the bottom of such a disturbance, moves upward through it and comes out at the top. In the【11】, the moisture in this warm air produces rain, and with it the heat is converted to energy in the form. of strong winds. As the heat increases, the【12】hurricane begins to swirl in a counter-clockwise motion.
The average life of a hurricane is only about nine days, but it contains almost【13】power than we can imagine. The energy in the heat released by a hurricane's rainfall in a(n)【14】day would【15】the entire electrical needs of the United States for more than six months. Water, not wind, is the main【16】of death and destruction in a hurricane. A(n)【17】hurricane brings 6- to 12-inch downpours【18】in sudden floods.【19】is the powerful movement of the sea—the mountains of water moving toward the low-pressure hurricane center. The water level【20】as much as 15 feet above normal as it moves toward shore.
(1)
A．they
B．these
C．it
D．this
完成并配平下列化学反应方程式：
(1)工业生产中合成氨反应;
(2)高温下氮气与金属钙反应;
(3)加热亚硝酸铵溶液;
(4)加热固体重铬酸铵;
(5)金属钠与液氨反应;
(6)向氨水中通入氯气;
(7)氨与亚硝酸溶液反应;
(8)二氯化汞与氨水反应生成白色沉淀;
(9)碳酰氯与液氨作用;
(10)磷酸铵和硝酸铵分别受热分解;
(11)联氨与溴化银反应;
(12)硅作催化剂时，联氨受热分解;
(13)羟氨与亚硝酸反应;
(14)叠氮化氢受热分解;
(15)将一氧化氮和二氧化氮的混合气体通入冰水中;
(16)室温下溶液中的亚硝酸歧化分解;
(17)硫粉与浓硝酸反应;
(18)金属锌与不同浓度的稀硝酸反应;
(19)硝酸在强脱水剂作用下发生分解;
(20)金属销与王水作用;
(21)硝酸铵受热分解;
(22)三氟化氮与水汽的混合物遇到火花;
(23)三氯化氮受热猛烈爆炸;
(24)在加热的条件下，单质硫、金属铝、金属锌分别与磷反应;
(25)磷化氢在空气中燃烧;
(26)联膦在空气中自燃;
(27)次磷酸盐与二价镍离子反应，完成化学镀;
(28)次磷酸和亚磷酸分别在酸性介质中歧化分解;
(29)锑化镁与稀盐酸作用;
(30)金属铋与硝酸反应：
(31)砷化钠的水解;
(32)在盐酸介质中，用金属锌还原三氧化二砷;
(33)用次氯酸钠溶液洗掉玻璃管壁上的砷镜;
(34)三氯化砷.三氯化锑和三氯化铋的水解;
(35)五硫化二砷与过量氢氧化钠溶液反应;
(36)硫代亚砷酸钠与稀盐酸作用;
(37)三硫化二砷与过硫化铵溶液充分反应。
