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【判断题】
应用文的特点主要有价值的实用性、内容的真实性、强烈的的模式、表述的简约性、格式的规范性、对象的确定性( )。A.
正确
B.
错误
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【简答题】生产餐饮产品的原料大多是鲜货原料，极容易[填空(1)]。
【单选题】If a 1 kg mass is dropped to the floor from a height of 5 m, what is the approximate velocity once it reaches the ground?
A.
10 m/s
B.
5 m/s
C.
1 m/s
D.
100 m/s
【单选题】Particle 1 of mass m 1 = 6.0kg, particle 2 and 3 of mass m 2 = m 3 = 4.0kg, and distance a = 2.0cm. What is the net gravitational force (its magnitude and direction) on particle 1 due to the other par...
A.
F 1,net = 5.1x10 -6 N, θ = 104 o
B.
F 1,net = 4.1x10 -6 N, θ = 104 o
C.
F 1,net = 4.1x10 -6 N, θ = 204 o
【简答题】在对供应链进行构建时应注意考虑 ________ 、 ________ 、 ________ 等方面的问题。
【简答题】生产餐饮产品的原料大多是鲜货原料，极容易（）。
【单选题】配制2%盐酸普鲁卡因溶液1000ml,需加( )g氯化钠使成等渗溶液(1%盐酸普鲁卡因的冰点降低值为0.12°C)
A.
8.4
B.
4.8
C.
6.5
D.
2.4
【单选题】According to Dr. Mass, the Cornel psychologist, which of the following is NOT correct?
A.
People should take napping as a daily activity.
B.
Naps strengthen the ability to pay close attention to details.
C.
We should sleep for eight hours during the night.
D.
It's much helpful to nap for twenty minutes during the day than to sleep twenty minutes more than usual during the night.
【简答题】与模拟电路相比,数字电路具有哪些优点?
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