37. Only with early seventeenth-century observers did the music of the original inhabitants of the United States and LACE>CanadaLACE> entered recorded history.
答案是D,entered--enter(原形),不明白:倒装句子前面有个did 了,为什么后面又一个enter]呐?
did在这里是做什么成分?为什么前面有did,后面就只能是ENTER原型?
麻烦哪位好心的高手帮我详细解释一下
或者哪位能够贴个此类倒装结构讲解的帖子给我?感激ing^_^
24.Many dinosaurs were so much heavy that they spent most of their lives in swamps and
A B
shallow lakes where water could support them.
C D
我也选对了,A,但是不明就理,A具体错在哪里?
25.With little nor no mass and no electric charge, neutrinos can penetrate a solid object
A B
such as the Earth as if it were not there.
C D
选A,但是我觉得D有点问题,单数为什么用were?请高手指教! |