提示：by no means"决不"。位于句首时要用部分倒装，不能选B。因为not和前面的by no means的否定含义相重复。

答案：D

3. At the foot of the mountain________.

A.a village lie B.lies a village

C.does a village lie D.lying a village

提示：表示方位的介词短语位于句首时用全部倒装。

答案：B

4. So difficult ________ it to work out the problem that I decided to ask Tom for advice.

A.I have found B.have I found

C.I did find D.did I find

提示：so+adj./adv.位于句首时，要用部分倒装。I decided提示了时态应用一般过去时。

答案：D

5. Never in my wildest dreams ________ these people are living in such poor conditions.

A.I could imagine B.could I imagine

C.I couldn't imagine D.couldn't I imagine

提示：never否定副词位于句首时，要用部分倒装。

答案：B