问题
单项选择题
涡轮流量变送器的出厂合格证上才有一个仪表常数,它是()
A.从理论上计算出来的
B.实际标定出来的
C.根据以往经验估算出来的
答案
参考答案:B
涡轮流量变送器的出厂合格证上才有一个仪表常数,它是()
A.从理论上计算出来的
B.实际标定出来的
C.根据以往经验估算出来的
参考答案:B
完形填空 | |||
This weekend(周末), I want to 1 shopping in Limin Store. My running shoes and my pants are too 2 . So I want 3 a new pair of running shoes and 4 . Tomorrow is Christmas Day(圣诞节),I need 5 ![]() to buy a shirt for my father and a pet for my mother. My mother likes cats. I want to have a Christmas party(晚会) 7 , and I would like to ask a few friends to come to my house for the party. So I must buy 8 for the party. I want to buy two kilos of sandwiches, two 9 , a kilo of sweets(糖果), some drink, 10 a kilo of apples. I know they like Sichuan food, so I want to buy some hot food. | |||
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