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【单选题】
平移坐标轴,将坐标原点移至O′(0,2),则直线y=x+2在新坐标系中的方程为()A.
y′=x′
B.
y′=x′-2
C.
y′=x′-1
D.
y′=x′+1
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皮皮学刷刷变学霸
举一反三
【简答题】求解逗号表达式 x=a=3,6*a 后,表达式值、x、a 的值依次为 。逗号运算符应先求解逗号前面的,求出后变量经重新赋值,在计算逗号后面的。
【单选题】The country's gross domestic product was more than economists______for the first quarter.
A.
wanted
B.
thought
C.
expected
D.
announced
【单选题】The difference between a country's Gross National Product (GNP) and its Gross Domestic product (GDP) is that
A.
GNP refers to production within the nation while GDP refers to production by domestic factors no matter where they are located.
B.
GNP is always bigger than GDP.
C.
GDP refers to production within the nation while GNP refers to production by domestic factors no matter where they are located.
D.
Two of the above are true.
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