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【单选题】
额定值为1W/100Ω的碳膜电阻,在使用时电流和电压不得超过多大数值( )。A.
0.1A/10V
B.
1A/1V
C.
5A/0.2V
D.
10A/0.1V
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举一反三
【单选题】Spoon-feeding means_________.
A.
cramming
B.
eating independently
C.
using spoon
D.
eating happily
【简答题】What is the difference between Chinese people and British people when they are using spoon
【单选题】What kind of spoon is often used to eat desserts?
A.
Soup spoon
B.
Tea spoon
C.
Dessert spoon
D.
Salad spoon
【单选题】________ he is ill, ________he goes to school.
A.
Although; but
B.
/; /
C.
Although; /
【单选题】将0.360g某非电解质溶于30.0g水中，溶液凝固点为-0.124℃。则该非电解质的摩尔质量(g·mol -1 )约为( )。
A.
50.3；
B.
178；
C.
180；
D.
1250。
【单选题】___________he is poor,________he is happy.
A.
Although;/
B.
Although; but
C.
But; although
D.
/; /
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