问题
单项选择题
最大用电负荷高于10000MW的电网,日负荷预测月准确率97.5%,争取()。
A.98%
B.98.5%
C.99%
D.100%
答案
参考答案:C
最大用电负荷高于10000MW的电网,日负荷预测月准确率97.5%,争取()。
A.98%
B.98.5%
C.99%
D.100%
参考答案:C
从框里选择填入对话相应空白处的适当选项。 | |
| |
A: Hello, this is Ann.Is that Helen ? B: Yes, speaking. A: Helen, The happy weekend is coming. 1 B: Yes, I'm not busy. I've already finished my homework. A: 2 B: I've no idea. What about you ? A: Let me see. Let's do something interesting and helpful. 3 B: Certainly. Where? A: In the new museum. B: Oh, I remember. I heard of it last week. 4 A: By bike . It's Saturday tomorrow. The traffic must be heavy, I think. B: I agree. 5 A: At the gate of our school at nine in the morning.. |