监测手指血糖说法错误的是( )
A. 试纸在使用前才能取出
B. 告诉患者测血糖的目的意义及方法
C. 患者末梢循环不良时,应反复挤捏患者指端
D. 试纸代码与血糖仪代码必须一致
What items do they enjoy buying most?Look at the people below and read the statements. Then watch Part 1 of the podcast and match the statements to each person.
Give the gist of this recording in English and then in Chinese.
写出函数y=arccosex的复合过程
A. y=u u=arccosex
B. y=eu u=arccosx
C. y=arccosu u=ex
D. 都不对
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