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【单选题】
现有“6V3W”的灯泡L1和“6V6W”的灯泡L2,将他们接入电路中,不考虑灯丝电阻的变化。下列关于两只灯泡的说法正确的是()
A.
串联后接到12V电源的两端,两灯均能正常发光
B.
串联工作时,L1和L2两端的电压之比为1∶2
C.
并联工作时,L1和L2中的电流之比为2∶1
D.
并联工作时,L1和L2的功率之比为1∶2
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举一反三
【单选题】I've got a cold. I'm not ______.
A.
me
B.
myself
C.
yourself
D.
you
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【单选题】拜访日本人,最好在上午的 9-11点、下午的( )点,没有非常紧急的事,不要在吃饭和休息时间去拜访。
A.
2-3
B.
2-5
C.
4-5
D.
6-7
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【单选题】拜访日本人时,最好在上午的9~11点,下午的（ ）点,没有非常紧急的事,就不要在吃饭时和休息时间去拜访。
A.
2-3
B.
2-5
C.
4-5
D.
6-7
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【单选题】—What's wrong with you? —_____ [     ]
A.
I am ten years old.
B.
I've got a cold.
C.
I am a librarian.
D.
I'm good at playing badminton.
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【单选题】—I'm afraid I've got a bad cold. — .
A.
Never mind
B.
Keep away from me
C.
Better go and see a doctor
D.
You need to take medicine
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【简答题】A．I'm working. B．I'm fine. C．I have no idea. D．I've got a cold.
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【单选题】—I'm afraid I've got a bad cold. — .
A.
Never mind
B.
Keep away from the medicine
C.
Better go and see a doctor
D.
You need take a medicine
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【简答题】根据听到的句子，选择正确的应答（读两遍）。 (     ) 1. A. I've got a cold. (     ) 2. A. She usually goes climbing. (     ) 3. A. It's Thursday. (     ) 4. A. No, I'm not. (     ) 5. A. I feel hot. B. He's got a goal. B. S...
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【单选题】你在公交车上,不确定什么时候下车时,可以这样寻求帮助 ____。
A.
Can you tell me when I should get off?
B.
What stop is next?
C.
How many stops are there？
D.
What's the next stop called?
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【单选题】听力原文：How are you doing? (4)
A.
I'm working.
B.
I'm fine.
C.
I have no idea.
D.
I've got a cold.
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相关题目：
【单选题】I've got a cold. I'm not ______.
A.
me
B.
myself
C.
yourself
D.
you
查看完整题目与答案
【单选题】拜访日本人,最好在上午的 9-11点、下午的( )点,没有非常紧急的事,不要在吃饭和休息时间去拜访。
A.
2-3
B.
2-5
C.
4-5
D.
6-7
查看完整题目与答案
【单选题】拜访日本人时,最好在上午的9~11点,下午的（ ）点,没有非常紧急的事,就不要在吃饭时和休息时间去拜访。
A.
2-3
B.
2-5
C.
4-5
D.
6-7
查看完整题目与答案
【单选题】—What's wrong with you? —_____ [     ]
A.
I am ten years old.
B.
I've got a cold.
C.
I am a librarian.
D.
I'm good at playing badminton.
查看完整题目与答案
【单选题】—I'm afraid I've got a bad cold. — .
A.
Never mind
B.
Keep away from me
C.
Better go and see a doctor
D.
You need to take medicine
查看完整题目与答案
【简答题】A．I'm working. B．I'm fine. C．I have no idea. D．I've got a cold.
查看完整题目与答案
【单选题】—I'm afraid I've got a bad cold. — .
A.
Never mind
B.
Keep away from the medicine
C.
Better go and see a doctor
D.
You need take a medicine
查看完整题目与答案
【简答题】根据听到的句子，选择正确的应答（读两遍）。 (     ) 1. A. I've got a cold. (     ) 2. A. She usually goes climbing. (     ) 3. A. It's Thursday. (     ) 4. A. No, I'm not. (     ) 5. A. I feel hot. B. He's got a goal. B. S...
查看完整题目与答案
【单选题】你在公交车上,不确定什么时候下车时,可以这样寻求帮助 ____。
A.
Can you tell me when I should get off?
B.
What stop is next?
C.
How many stops are there？
D.
What's the next stop called?
查看完整题目与答案
【单选题】听力原文：How are you doing? (4)
A.
I'm working.
B.
I'm fine.
C.
I have no idea.
D.
I've got a cold.
查看完整题目与答案