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
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
1) What did the photographer do? 2) What did the maid do? 3) What did Taft’s aunt do?
1) What did the photographer do? 2) What did the maid do? 3) What did Taft’s aunt do?
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
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
在编辑状态，依次打开了d1.do A: d2.do B: d3.do C: d4.doc四个文档，当前的活动窗口是____的窗口。 D: d1.doc E: d2.docC。d3.doc F: d4.doc
在编辑状态，依次打开了d1.do A: d2.do B: d3.do C: d4.doc四个文档，当前的活动窗口是____的窗口。 D: d1.doc E: d2.docC。d3.doc F: d4.doc
2 Fraser’s parents encouraged him to do whatever he wanted to do in his spare time.
2 Fraser’s parents encouraged him to do whatever he wanted to do in his spare time.
Listening Task 2 A: Good enough. B: Very well. C: I’m having lunch. D: How do you do?
Listening Task 2 A: Good enough. B: Very well. C: I’m having lunch. D: How do you do?
2 中央do在高音谱表的？
2 中央do在高音谱表的？
2、 What do we learn about PhotoMath ？
2、 What do we learn about PhotoMath ？
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 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?
2 What do we know about college graduates?