【简答题】读以某半球的某点为中心的俯视图(M点为极点,a表示晨昏线,MP和MO为两条经线,且P点为a线上的最高纬度),回答下列问题。 小题1:若图示区域为南半球的夏半年且P点的纬度为71°时,则此刻的时间大致是 A.6月20日 B.1月10日 C.9月20日 D.3月15日 小题2:若P点经度为30°E,且该经线上的大部分地方气温达到一天中最高值时,则此时印度新德里(东经77°13’)时间为 A.17时 B...
【简答题】绘制多线的命令是什( ),快捷命令是( )。
【判断题】Many investors expect that the stock markets will experience a slow, steady grind higher in 2011.
【简答题】The New York Times cost $0.15 in 1970 and $2.00 in 2011. The average wage in manufacturing was $3.36 per hour in 1970 and $23.09 in 2011. a. By what percentage did the price of a newspaper rise? b. By...
【单选题】一对标准渐开线圆柱齿轮啮合传动,当齿轮分度圆与节圆不重合并相互分离时时,( )。
【单选题】Amy Chua published a book called Battle Hymn of the Tiger Mother in 2011. Many moms criticized Chua and other Tiger Moms for________.
A.
putting too much pressure on their children
B.
abusing their children
C.
giving their children too much freedom
D.
spoiling their children
【单选题】以下绘制线的命令中 , 可绘制带宽度线的命令是 (), 可同时绘制多条直线的命令是 ()