(一) 某公司生产某产品，固定成本为100万元，单位可变成本为100元，产品的

正常生产中停用温控二次表时如何操作？

An investor is considering floating-rate debt and other investments to protect against unexpected increases in inflation. Her friend suggests Treasury Inflation Protected Securities (TIPS) because the coupon rate is adjusted for inflation semiannually. The friend also states on-the-run Treasury issues have narrower bid-ask spreads than other Treasury issues. Should the investor agree or disagree with the friend’s statements about TIPS and on-the-run issues TIPS On-the-run issues （）①A. AgreeAgree ②B. AgreeDisagree ③C. Disagree Agree

A. ①

B. ②

C. ③

• A．条件(1)充分，但条件(2)不充分．
• B．条件(2)充分，但条件(1)不充分．
• C．条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
• D．条件(1)充分，条件(2)也充分．
• E．条件(1)和(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．

等比数列{a_n

脑脊液漏的诊断（）

A．脑静态显像

B．脑葡萄糖代谢显像

C．脑受体显像

D．脑脊液间隙显像

E．放射性核素脑血管显像

差别定价策略