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The electric catfish has a different electric system in that______.
A．current moves from the head to the tail
B．current moves from the tail to the head
C．current moves from the left to the right
D．current moves from the right to the left
答案
更多“The electric catfish has a different electric system in that______.A．current moves from th”相关的问题
第1题
The electric catfish has a different electric system in that ______.
A．current moves from the head to the tail
B．current moves from the tail to the head
C．current moves from the left to the right
D．current moves from the right to the left
第3题
A．Y
B．N
C．NG
第4题
Which of the following statements is not true？
A．Electric fish come from different families.
B．One can get a shock by touching the electric rays in two places.
C．The electric plates in the rays are connected with the spinal cord.
D．The electric catfish is edible.
第5题
Which of the following statements is INCORRECT about Asian grocery stores？
A．They have their own catfish farms in California.
B．They are in great need of live fish.
C．They import fish from the other side of the world.
D．They need more fish than provided.
第6题
The reason why the electric eel is able to give more powerful shock is that ______.
A．the working system of the electric plates in the eel is the most effective
B．the working system of the electric plates in the eel is far inferior to those in the torpedo
C．compared with those in the torpedo, the working system of electric plates in the eel is more direct and efficient
D．compared with other electric fish, the eel possesses much more electric plates
第7题
The most powerful electric fish produces enough electricity to______.
A．light a large electric motor
B．kill a marine animal
C．drive a small electric motor
D．kill a large fish
第8题
Which auto manufacturers are still producing electric vehicles？
A．Toyota and Nissan
B．General Motor's and Honda
C．Ford and Toyota
D．Honda and Toyota
第9题
Experts are unsure whether a ______ for fully electric cars will succeed in America.
A．reaction
B．market
C．purchase
D．fuel
第10题
We can utilize water for producing electric power.
A．embrace
B．emerge
C．emphasize
D．employ
