问题
单项选择题
判断起重机桥架疲劳损伤的指标是( )。
A．直线度
B．平行度
C．T挠度
D．上拱度
答案
参考答案：C
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判断起重机桥架疲劳损伤的指标是( )。
A．直线度
B．平行度
C．T挠度
D．上拱度
参考答案：C
| 完形填空。 | |||
| Arthur was an Indian boy. He didn't like __1__ When his mother asked him to wash his hands, he never washed them __2__ . He only put his __3__ in the water for a __4__ seconds and took them __5__ again. __6__ day, Arthur's uncle's family came to __7__ with Arthur's parents and they brought their son Tom __8__ them. Tom was __9__ than Arthur and didn't like water either (也). They went out to play. After an hour Arthur looked __10__ Tom's hands and then said proudly (骄傲) ,"My hands are dirtier than yours! " Tom answered angrily, "Yes, you are older than I am. " | |||
| ( )1. A. washing ( )2. A. well ( )3. A. foot ( )4. A. little ( )5. A. up ( )6. A. An one ( )7. A. stay ( )8. A. at ( )9. A. older ( )10. A. at | B. water B. good B. hands B. few B. out B. A B. come B. on B. younger B. for | C. playing C. clean C. clothes C. a few C. off C. One C. go C. for C. bigger C. after | D. wash D. black D. face D. one D. away D. On a D. play D. with D. smaller D. up |