03-04的几个题，答案标出来了！不知为什么，帮下忙啊！！！

zh_win_zh

0308

11、In jazz music, a riff is a simple melodic figure,------------and repeated several times.

B、lasted one measure or two usually.  D、usually lasting one or two measures.

为什么不选b而选d啊，and 前后不需平行结构吗？

0310

10、Helium is not flammable and ,next to bydrogen, is -----------.

A、known the lightext gas   C、 the lightest gas known

为什么选c啊，known在此处做什么讲啊，是什么结构啊！

0401

32、Tunas migrate long distances over all the world’s oceans and occupy （tropical）, temperate, and even （some the ）cooler waters.

为什么tropical是形容词而在此处没有错啊！而some the 是怎么错啊！是不是限定词重复了啊！

[此贴子已经被作者于2005-10-10 13:01:51编辑过]

Miyaki

选项都米有，怎么看呀```````？？

zh_win_zh

改了一下，就是二个项有点不清楚，就写下二个了！！各位帮帮忙啊！！

juliasun

11、In jazz music, a riff is a simple melodic figure,------------and repeated several times.

B、lasted one measure or two usually.  D、usually lasting one or two measures.

你看看是在考平行结构吗？？ music持续很久是主动持续，被重复是被人们重复

juliasun

10、Helium is not flammable and ,next to bydrogen, is -----------.

A、known the lightext gas   C、 the lightest gas known

如果选A的话就改成是 is knowns as the lightext gas.

C正确，被知道的最轻的气体

juliasun

32、Tunas migrate long distances over all the world’s oceans and occupy （tropical）, temperate, and even （some the ）cooler waters.

为什么tropical是形容词而在此处没有错啊！而some the 是怎么错啊！是不是限定词重复了啊！

答：some of the; tropical 正确，形容词，和tempertate一样是形容词