题目内容

Hightlight1~~The booming sales in online shopping on Nov.1 demonstrated the long-term consumption r_ and v__ in China.

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Highlight1~~The Double Eleven shopping galla is also known as the S__ D shopping s.

Highlight 2~~China h_ 68 national e r m and 254 p__.

（）是正确的程序名写法。

A. 02020
B. O2020
C. O2020;
D. O20;

O2021；N10 G00X100Z100G98;N15 T0101M03S800;N20 G01X30Z-30F200;N25 X35;N30 X-45;N35 X100Z100;N40 M30;上面的程序一共有（）段程序。

A. 8
B. 7
C. 6
D. 5