They can't work/function on their own... and they're short. Hope this helps!
Answer:
They want to keep their childhood
Answer:
C. magnetic levitation train
Explanation:
The term/word Maglev has two defintion clues.
1 Within the word
it contains Mag- which means it has some relation with magnet. And, it contains -lev which means it has some relation with levitation.
2 Within the cotext (words surrounding a node or another word)
The words after Maglev are<em> "or magnetic levitation train" </em>which means Maglev is a magnetic levitation train.
Options A and B are incorrect because we find no such clues in the text.
Answer A is the answer I think
(D) it should be in the last sentence of the introduction paragraph.
I believe this is what my study unit said, so I hope it helps
