What is the BEST conductor of electricity?
A.Carbon dioxide
B.Distilled water
C.Fresh water
D.Salt water
第1题:
A. that
B. when
C. where
D. what
第2题:
According to the passage,quicksand is usually found______.
A. on hillsides
B. far inland
C. near water
D. on prairies
第3题:
A、To judge
B、Judged
C、Judges
D、Judging
第4题:
The three basic components of a fire are chain reaction, heat, fuel, and ____.
A.carbon monoxide
B.oxygen
C.carbon dioxide
D.any gaseous substance
第5题:
The conductor asks the boy to hop on the express train.()
第6题:
To make electrochromic windows change color, what is applied to the window glass?
A.Electricity.
B.Tungsten oxide.
C.A battery.
D.A voltage.
第7题:
I like romances best.(对划线部分提问)
What________ of________ ________you like best?
第8题:
A、face
B、sake
C、concerns
D、best
第9题:
Woman: Does the rent include electricity bills?
Landlord: ______
A、What a daydream you are having!
B、It doesn't usually include the electricity bill.
C、I don't think so,I'm afraid.
D、I'm not sure.I'll ask if you don't mind.
第10题:
What is the most probable cause of reduced capacity in a reciprocating air compressor ________.
A.Carbon on cylinder heads
B.Faulty unloader
C.Leaking air valves
D.Plugged air cooler