Q235B的第一个字母代表该材料的（）。
A.屈服强度
B.材料类型
C.使用温度
参考答案：A
万用表可用来测量电路的电阻、电压、电流.（)
An analyst doe research about a U. S. Treasury Inflation Protection Security (TIPS). With respect to a TIPS, Which of the following statements is most accurate Changes in the reference price index resultin changes in:（）
A. the TIPS' coupon rate.
B. the TIPS' principle amount.
C. both the TIPS' coupon rate and the TIPS' principle amount.
