GWD30 Q20语法答案对吗？

xhqq008 · 发表于 2010-7-6 09:14:16

Q20:
Researchers have announced that themagnetic fields emitted by one manufacturer’s security surveillance system, ofwhich type there are 200,000 worldwide, can interfere with pacemakers and thatthis interaction can bring on missed or irregular heartbeats, nausea,breathlessness, dizziness, and even fainting.

of which type there are 200,000 worldwide, can interfere with pacemakers and that
of which, worldwide, there are 200,000 of that type, and which can interfere with pacemakers, and
of which type there are 200,000 worldwide, they can interfere with pacemakers and
200,000 of which type exist worldwide, interfering with pacemakers, and
200,000 of that type existing worldwide and can interfere with pacemakers, and

答案是D，但就没谓语了。我选A。请牛人指教。谢了。

xhqq008 · 发表于 2010-7-6 09:40:37

自己顶一个，在问一道：
Q41:
Elk now live almost solely in the Rocky Mountains
, whichwould make it seem that elk are mountain dwellers, while they once ranged over virtually all of the continental United States except for a small strip in the extreme Southwest.

Elk now live almost solely in the Rocky Mountains
, which would make it seem that elk are mountain dwellers, while

The fact that elk now live almost solely in the Rocky Mountains
would make it seem that they are mountain dwellers, but

It would seem that elk would be mountain dwellers because of their living now solely almost in the Rocky Mountains
, but still

Now living almost solely in the Rocky Mountains
, it would seem that elk were mountain dwellers, although

It seems that elk would be mountain dwellers from the fact that they now live solely almost in the Rocky Mountains
, since答案选A，但是which不能指代主语从句吧？？我选B，不知对不对。

GWD30 Q20语法答案对吗？

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