The waste can be recycled into new products, which ______ will save natural resources.


  1. A.
    in turn
  2. B.
    in return
  3. C.
    in order
  4. D.
    in time
A
短語辨析。A.輪流，依次 B. 作為報(bào)答C.整齊   D.及時(shí)。句意：廢品可以回收利用成新產(chǎn)品，這樣（輪流）可以節(jié)省自然資源。故選A。
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