A. How to render automobiles pollution-free. B. How to make smaller and safer automobiles. C. How to solve the problem of traffic jams. D. How to develop an automated subway system.
参考答案:C 答案解析:根据第三段中的“…the auto in the future will be the main problem in urban traffic congestion”可知,作者最为关心的还是将来汽
第3题:[判断题]ZXWM M900 设备,设备正常运行中,拔掉OSC单板,波分承载的业务不会中断。
If the OSC board is removed when the ZXWM M900 system is operating normally, services carried over the DWDM system will not be interrupted. A.正确 B.错误 参考答案:A 正确
第4题: [单项选择]先天性内斜视的发病年龄多在() A. 6个月内 B. 6岁 C. 4个月 D. 3个月 E. 3岁 参考答案:A 答案解析:先天性内斜视多在出生后6个月内发病。
第20题: [单项选择]24小时多尿、少尿、无尿的评判标准是() A. >3000mL,<400mL,<17mL B. >2500mL,<400mL,<100mL C. >2000mL,<1000mL,<100mL D. >2500mL,<500mL,无尿 E. >2500mL,<100mL,<50mL 参考答案:B