对定量包装商品净含量量值的计量检验，要求检验数据应准确可靠、

搜题请搜索小程序“爱下问搜题”

问题单项选择题

对定量包装商品净含量量值的计量检验，要求检验数据应准确可靠、检验方法应适当合理、测量仪器应满足检验需要、总重及（）的测量应准确。

A.质量

B.总量

C.皮重

D.说明物

答案

参考答案：C

补全对话，情景问答

用适当的词补全对话，每条横线只填一个单词。

Mary: 1_ time do you usually get 2 _ on Sunday morning?

Lily: 3_ seven thirty.

Mary: What 4 _ you usually do 5_ Sunday?

Lily: I usually stay at home and do 6____ reading. Sometimes I do my homework

or clean the house with my mother. What 7____ you?

Mary: I don't often stay at home. Sometimes I go 8 _ __ the park 9 __ my

sister. Sometimes I 10 _ basketball with my friends.

单项选择题

哪个传感器用于ECAM的压力指示（）

A.PT；

B.PR；

C.CT。