下列属于非可再生资源的是
单词辨音 找出画线部分与其他单词发音不同的选项.( )
warm
market
start
stop
move
box
five
rich
bike
Hangzhou ________ as the City of Silk.Tourists like shopping for silk there.( )
knows
is known
was known
will be known
Mom won't let Dick go out ________ he promises to be back by 10:00 tonight.( )
if
when
since
unless