安全阀检定周期为()。 A.每半年 B.每1年 C.每2年 D.每3年

题型:单项选择题

问题:

安全阀检定周期为()。

A.每半年

B.每1年

C.每2年

D.每3年

考点:设备管理员上岗考试设备管理(综合练习)设备管理(综合练习)题库
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免疫抑制剂中均含有环戊烷多氢菲,通过抑制巨细胞吞噬和游走作用等机制发挥抗炎作用的是()

A.皮质类固醇

B.硫唑嘌呤

C.环磷酰胺

D.环孢素

E.抗淋巴细胞抗体

题型:单项选择题

House of Porridge

Welcome to Clark’s Porridge House. We have different kinds

of porridge. We have meat porridge, vegetable porridge, and fruit

porridge is our special. It is only RMB 4 for one bowl. A bowl

of meat porridge is RMB 5.Vegtable porridge is RMB 3 for one

bowl, but RMB 5 for two. We have thin pancakes, too. They are RMB5

for ten. Come and taste delicious the food here. If you are too

busy to come, call us and we can deliver the food to you in

20 minutes.

Fill in the blanks according to the passage Only one word for

each blank

The owner of this porridge house is (1)____. The cheapest

is the (2)___porridge. If you eat a bowl of meat porridge and

five thin pancakes, you will pay RMB(3)____. (You can explain

it either in Chinese or in English.) The word“deliver”in the

last sentences probably means(4)____. If you order some good

in this restaurant at 6 o’clock, you will probably get it before

(5)_____

题型:单项选择题

一次性物品的大量使用,不仅浪费了宝贵的资源,而且破坏了生态环境。这告诉我们

A.事物的联系具有普遍性

B.事物的联系是人为的

C.任何两个事物之间都存在着联系

D.人们可以改变联系的客观性

题型:单项选择题

二陈汤1功效与作用

题型:单项选择题

流动水分点可用来衡量()特性的指标。

A.一般固体散货

B.易流态化货物

C.具有化学危险的固体散货

D.包装危险性货物

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