________ with the size of the whole earth, the highest mountains do not seem high at all.
A、IfyoucompareC
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Whenhesuddenly________upthesubjectofgeneticengineering,therewasanembarrassedsilence.
Insomeschoolschildrenwhoprefertoreadbooksratherthan________footballbecomesocialoutcasts(被抛弃者).
Asyoulikepopmusic,__________Ilikeliterature.
I'm______tograduateinthenexthalfoftheyear.
Theaddressbook________theemailaddressesofyourfriendsorgroupsofcolleagues.