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【多选题】
车轮经过哪几次变革?A.
从铨轮走向辐条轮
B.
包铁轮和的出现
C.
充气轮胎的出现及应用
D.
橡胶的出现
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皮皮学刷刷变学霸
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【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. Overhead bridges are found in many parts of Singapore, especially in places whe...
A.
they don't hold up traffic and they are safer
B.
people can have a better view of the city
C.
they are more convenient to use
D.
they can save a lot of time and space
【简答题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 6 to 10. Rockwatch—The Best Club on Earth If you are a young person and interested in geology(...
【简答题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 to 45. The White House is the most visited residence in the world. Tours may be scheduled t...
【单选题】Task 2 Directions: This task is the same as Task 1. The 5 questions or unfinished statements are numbered 41 through 45. The White House is the most visited residence in the world. Tours may be schedu...
A.
scheduling of Washington DC tours
B.
the security system of the White House
C.
application for a tour of the White House
D.
duties of a tour group leader
【简答题】Unit 2 Task 10
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