问题
单项选择题
()用于压力16巴的管道裂缝密封。
A、电磁式堵漏工具
B、粘贴式堵漏器材
C、金属堵漏套管
D、堵漏密封胶
答案
参考答案:C
()用于压力16巴的管道裂缝密封。
A、电磁式堵漏工具
B、粘贴式堵漏器材
C、金属堵漏套管
D、堵漏密封胶
参考答案:C
选词填空(本题有6小题,每小题0.5分,共3分) 选择方框内的单词完成下列句子,使句子通顺、正确。每词限用一次
小题2:Let’s open the windows and have some ____________ air in here. 小题3:We tried our best to solve the problem.Finally we________________. 小题4:Could you _______me with information about student exchange programs? 小题5:Susan will not arrive at the airport on time ______________ she hurries up. 小题6:He had to make a living by himself after his father’s ___________. |