Is milk a natural source of sucrose?
A. 对
B. 错
While the brain prefers glucose as its source of fuel, it can also use ketone bodies for energy.
A. 对
B. 错
评标和定标应当在投标有效期结束日后( )个工作日前完成。
A. 30
B. 60
C. 15
D. 20
中标人确定后,招标人应当向中标人发出《中标通知书》,同时通知未中标人,并与中标人在( )日之内签订合同。
A. 60
B. 30
C. 20
D. 10