问题
单项选择题
IDU的高压界面上，受电弓图标图示灰色边框表示（）
A、状态良好
B、未知状态
C、故障状态
D、隔离状态
答案
参考答案：B
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IDU的高压界面上，受电弓图标图示灰色边框表示（）
A、状态良好
B、未知状态
C、故障状态
D、隔离状态
参考答案：B
| 阅读理解。 | |||||
| |||||
| 1. If (如果) your watch is lost, you can call _____. | |||||
| A. 439-6175 B. 485-7700 C. 458-3216 D. 416-3592 | |||||
| 2. Linda's _____ is lost. | |||||
| A. duck B. cat C. backpack D. dictionary | |||||
| 3. Alan found an English-Chinese dictionary _____. | |||||
| A. on his bed B. under the chair C. on the table D. under his desk | |||||
| 4. If you find a school ID card, it may (可能) be _____. | |||||
| A. Alan's B. Jim's C. Paul's D. Gina's | |||||
| 5. The cat is _____. | |||||
| A. black and white B. blue C. red D. yellow |