在明亮环境条件下,人眼对以下何种波长的单色光感觉最明亮?
A.507nm
B.555nm
C.380nm
D.780nm
参考答案:B
Read and fill in the blanks. (根据句意填写所缺词组)
1. I _____ with my parents last Sunday.(去钓鱼)
2. They are ____ Peter's funny story.(因……而发笑)
3. We had a good party __ . (上周末)
4. Do you know this . (绕口令)
5. He likes . (集邮)
6. He lives ___ the school.(离……远)
7.1'm going away _ . (很长时间)
8. Let's ____ together.(照相)
9. What are you _____?(寻找)
10. I will next month.(去滑冰)
为实现进度目标而采取的经济激励措施所需要的费用,应在()中考虑加快工程进度所需要的资金。
A.工程预算
B.投标报价
C.投资概算
D.工程概算