问题
选择题
找出与划线部分意思相同的部分。
I went to see my uncle yesterday. [ ]
A.visited
B.asked to
C.looked for
答案
答案:A
找出与划线部分意思相同的部分。
I went to see my uncle yesterday. [ ]
A.visited
B.asked to
C.looked for
答案:A
根据表2所列的已知条件,求出a/2、C、d和D等数值。
表 2
序号 | D/mm | d/mm | L/mm | C | a/2 |
1 | 100 | 80 | 40 | ||
2 | 48 | 85 | 1:16 | ||
3 | 64 | 68 | 1:20 | ||
4 | 35 | 40 | 6° | ||
5 | 33.8 | 85 | 1:12 | ||
6 | 25 | 38 | 1:5 |