The smog arrived in the Yangtze River Delta region on Nov．30，_________the air quality in 1 2 cities out of 25 was rated as severely polluted by Dec．1．
| A．where | B．when | C．which | D．what |
相关试题
What is learned in books cannot have the same deep effect _____ a child’s character as what is learned _____ experience.
| A．on, in | B．on, by | C．in, by | D．by, with |
---Did you do anything last week?
---I _________ to go skiing or do some shopping, but ______ studying.
| A．had planned, ended up | B．planned, ended up |
| C．had planned, end up | D．planned, end up |
. Mr. Cruise said that he preferred the information Jack gave to ______ heard by himself.
| A．the one | B．it | C．that | D．which |
. _______ great difficulty I had ________ the robber from breaking in!
| A．How, stop | B．What, to stop | C．How, stopped | D．What a, stopping |
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