Though it is a          job, he  still devotes much time and energy to it.

poor-paying

poorly-paying

poorly-paid

poor-paid

考查構詞法。本題中考查了復合形容詞的構詞法，“使用副詞+過去分詞” 構成新的形容詞，如“newly-discovered”最新發(fā)現(xiàn)的；本句中“poorly-paid報酬極少的”。句意：盡管這是一份報酬極少的工作，但他仍然花了很多時間和精力做它。故選C項。

While we may not be born with a nature talent, we can          for it with hard work.

break up

take up

bring up

make up

考查動詞短語辨析。句意：雖然我們可能沒有與生俱來的天賦，但我們可以通過努力工作來彌補。A. break up打碎；B.take up 拿起，開始從事；C.bring up提出；D. make up 彌補。根據(jù)上文we may not be born with a nature talent可知沒有與生俱來的天賦，所以要通過努力工作來彌補。故選D項。

The old rules have to be          because they only applied to the circumstances that existed when they were made a hundred years ago.

developed

established

observed

revised

考查動詞的辨析。句意：老的規(guī)則需要被修改因為它們只適合一百年制定時的狀況。A.develop發(fā)展；培養(yǎng)；B.establish建立；C.observe觀察；D.revise修改，由because they only applied to 可知它只適用于以前，需要修改。故選D項。