问题
单项选择题
在中途转运,如转运地无大型起重机时,或火车站、码头、建设工地的大型起重机不能满足重型设备装卸车的需要时,可用()。
A、滑移法装卸车
B、龙门架或桅杆装卸车
C、滚移法装卸车
答案
参考答案:B
在中途转运,如转运地无大型起重机时,或火车站、码头、建设工地的大型起重机不能满足重型设备装卸车的需要时,可用()。
A、滑移法装卸车
B、龙门架或桅杆装卸车
C、滚移法装卸车
参考答案:B
从方框中选词填空。 | |
2.Justin has a computer game. He likes to ________ computer games. 3.—________ play basketball.—That ________ interesting. 4. I have a baseball ________. I like to play baseball. 5. My grandmother ________ a TV in her room. She ________ TV every day. 6. My friend has a great sports ________. He has all kinds balls in his room. |