【单选题】通过控制呼吸、垂肩、自我发泄等方法分散注意力,以缓解疼痛的方法属于()
【多选题】油脂氧化速度与脂肪酸的性质有关,下列说法正确的是
C.
顺式构型比反式构型易氧化,非共轭双键结构比共轭双键结构易氧化
【单选题】关于油脂氧化,叙述错误的是
A.
不饱和脂肪酸比饱和脂肪酸更容易氧化,而且顺式构型比反式构型更容易氧化,共轭双键结构比非共轭双键结构更容易氧化
B.
单线态氧比三线态氧的氧化速率大得多,当氧浓度较低时候,氧化速率与氧浓度近乎成正比,当氧浓度高时,氧化速率与氧浓度无关
C.
一般来说,氧化速率随温度的升高而加快,饱和脂肪酸在高温下也会发生氧化
D.
油脂氧化速率在0-1范围内随水分活度的增加而不断增大
【单选题】In Figure 4.2, one possible explanation for the increase in the interest rate from i 1 to i 2 is ________ Figure 4.2
A.
an increase in economic growth.
B.
an increase in government budget deficits.
C.
a decrease in government budget deficits.
D.
a decrease in economic growth.
E.
a decrease in the riskiness of bonds relative to other investments.
【简答题】通过控制呼吸、垂肩、自我发泄等方法分散注意力,以缓解疼痛的方法属于()
【单选题】In Figure 4.2, one possible explanation for a decrease in the interest rate from i 2 to i 1 is ________ Figure 4.2
A.
an increase in government budget deficits.
B.
an increase in expected inflation.
C.
a decrease in economic growth.
D.
a decrease in the riskiness of bonds relative to other investments.
【简答题】数字电路的分析主要确定其输入和输出之间的( )关系。
【单选题】This company has two branches: one in Paris and _________ in New York.
【简答题】已知某框架梁抗震设防等级为二级,当框架梁截面高度为300时,其梁端箍筋加密区长度不小于 。A. 500mm
【简答题】已知某框架梁抗震设防等级为二级,当框架梁截面高度为600时,其梁端箍筋加密区长度不小于 mm。A. 900