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【单选题】
性格是在社会环境中逐渐形成的,是人的最核心的人格差异,受人的价值观、 人生观、世界观的影响,所以性格( )A.
有好与坏之分
B.
无好与坏之分
C.
是先天的
D.
是心理过程
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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
【单选题】配制2％盐酸普鲁卡因滴眼剂1000ml，为使其等渗，需加氯化钠的量是(已知1％盐酸普鲁卡因溶液的冰点降低为0．115，1％氯化钠溶液的冰点降低为0．58)
A.
3．59
B.
4．69
C.
5．09
D.
8．19
E.
9．39
【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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