执行下列程序之后的显示结果是( ）。CLEARx1=1x2 =2DO p1 with x1 ，x1 +x2"x1="+STR(x1 ，l），"x2="+STR(x2，1）RETURNPROC p1PARA w1.w2wl=wl*2w2=w2*2RETURN A: x1=2 x2=2 B: x1=1 x2=2 C: x1=2 x2=6 D: x1=1 x2=6

1) What did the photographer do? 2) What did the maid do? 3) What did Taft’s aunt do?

由同一种材料制造的四个长度均为L的长圆筒,在相同操作温度下,承受均匀的侧向外压,其他尺寸如下。其中,( )圆筒的临界压力最大。 A: δe=δ,Do=D B: δe=δ/2,Do=D C: δe=δ,Do=D/2 D: δe=δ/2,Do=D/2

2 Fraser’s parents encouraged him to do whatever he wanted to do in his spare time.

下列循环嵌套的结构中，正确的是_______。 A: For i = 2,4,6,8,10 ``` Do ``` Loop While s > 0Next B: For i = 2 To 10 ``` Do While s > 0 ``` LoopNext C: For i = 2 To 10 ``` Do While s > 0 ``` Next Loop D: For i = 2 To 10 ``` Do ``` Next Loop While s > 0

2 中央do在高音谱表的？

2、 What do we learn about PhotoMath ？

下列循环嵌套的结构中，正确的是_______。 A: For i = 2,4,6,8,10 ``` Do ``` Loop While s > 0Next B: For i = 2 To 10 ``` Do While s > 0 ``` LoopNext C: For i = 2 To 10 ``` Do While s > 0 ``` Next Loop D: For i = 2 To 10 ``` Do ``` Next Loop While s > 0

2 Complete the questions with in, on, or at. Which country do you live in? 1 Do you live ____ a village, a town, or a city?

2 What do we know about college graduates?