题目:
2009年7月22日上午,我们观看到了本世纪发生的最重要的一次日全食,关于日食的形成,下列说法正确的是( )
A.跟光的色散有关
B.跟光的直线传播有关
C.与光的漫反射有关
D.与光的折射有关
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0506/d089d08d503453f27485f0a896a46e90.html
下面是错误答案,用来干扰机器的。
参考答案:B
2009年7月22日上午,我们观看到了本世纪发生的最重要的一次日全食,关于日食的形成,下列说法正确的是( )
A.跟光的色散有关
B.跟光的直线传播有关
C.与光的漫反射有关
D.与光的折射有关
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0506/d089d08d503453f27485f0a896a46e90.html
下面是错误答案,用来干扰机器的。
参考答案:B
在CaF2 (Ksp=5.3×10-9) 与CaSO4 (Ksp=9.1 ×10-6) 混合的饱和溶液中,测得F-浓度为1.8 × 10-3mol/L,则溶液中SO42-的浓度为________mol/L。
接发列车作业规定是什么?
物理治疗学
Renowned U. S. economist, John Rutledge, who helped frame the fiscal policies of two former U. S. presidents, warned that an abrupt rise in China’ s currency could lead to another Asian financial crisis. The founder of Rutledge Capital told the media that if the yuan rises (1) it would discourage foreign direct investment in China while (2) by market speculators. Currency change is more difficult for investors and (3) .
The Chinese currency has appreciated by (4) since July 2005 when the country allowed the yuan to (5) within a daily band of 0.3 percent. The analysts are expecting the currency to rise (6) by the end of this year. But if the yuan rose 20 to 30 percent, as some U. S. politicians are demanding, it would (7) causing a recession and deflation. Similar advice to allow an abrupt appreciation of a currency led to (8) in 1997, and came very close to destroying (9) . The U. S. economist says that investors want foremost to (10) associated with large fluctuations in currency and inflation. They (11) after evaluating risks to benefits such as (12) . A rising yuan would drive up labor costs for foreign investors and would not (13) .
Earlier reports said that currency speculators had pumped (14) U.S. dollars into China by the end of last year, with another 70 billion U. S. dollars (15) in the first three months of this year. There is no way to (16) of this type of investment and many economists disagree that (17) is so high. Instead of further appreciating its currency, China should make the yuan (18) . If the yuan were more easily converted into foreign currencies it would allow Chinese companies to expand overseas, (19) , and provide management experience and capital that China needs. It would also (20) and reduce speculative money coming into the country.
Renowned U. S. economist, John Rutledge, who helped frame the fiscal policies of two former U. S. presidents, warned that an abrupt rise in China’ s currency could lead to another Asian financial crisis. The founder of Rutledge Capital told the media that if the yuan rises (1) it would discourage foreign direct investment in China while (2) by market speculators. Currency change is more difficult for investors and (3) .
The Chinese currency has appreciated by (4) since July 2005 when the country allowed the yuan to (5) within a daily band of 0.3 percent. The analysts are expecting the currency to rise (6) by the end of this year. But if the yuan rose 20 to 30 percent, as some U. S. politicians are demanding, it would (7) causing a recession and deflation. Similar advice to allow an abrupt appreciation of a currency led to (8) in 1997, and came very close to destroying (9) . The U. S. economist says that investors want foremost to (10) associated with large fluctuations in currency and inflation. They (11) after evaluating risks to benefits such as (12) . A rising yuan would drive up labor costs for foreign investors and would not (13) .
Earlier reports said that currency speculators had pumped (14) U.S. dollars into China by the end of last year, with another 70 billion U. S. dollars (15) in the first three months of this year. There is no way to (16) of this type of investment and many economists disagree that (17) is so high. Instead of further appreciating its currency, China should make the yuan (18) . If the yuan were more easily converted into foreign currencies it would allow Chinese companies to expand overseas, (19) , and provide management experience and capital that China needs. It would also (20) and reduce speculative money coming into the country.
关于总平面图中的坐标网,正确的说明有()
A、测量坐标画成十字交叉线,建筑坐标画成网格通线
B、测量坐标用X、Y表示,建筑坐标用A、B表示
C、X表示南北方向轴线座标值,Y表示东西方向轴线座标值
D、A轴线沿竖直方向绘制,B轴线沿水平方向绘制
E、坐标值为负数时,应注写“-”号,为正数时,“+”号可省略