— ____________ day is it today?
— It's Tuesday.
A. What's
B. What
C. Which
D. Which's
答案:B
已知∠1是∠2的2倍,∠1的余角的3倍等于∠2的补角,求∠1、∠2的度数。
投资客户购买商业地产项目时一般会考虑哪些因素?