Question

Beijing governmentputs more than 700 million yuan to increase its green space this year, ________doubles the money provided last year．

1. A.
   as
2. B.
   while
3. C.
   that
4. D.
   which

Answer 1

D
非限定性定語(yǔ)從句，這里容易弄錯(cuò)的是A和D，as與which的區(qū)別在于：as代表前面的整個(gè)主句并在從句中作主語(yǔ)時(shí)，從句中的謂語(yǔ)必須是系動(dòng)詞；若為行為動(dòng)詞，則從句中的關(guān)系代詞只能用which．。在本題中，double由于是行為動(dòng)詞，所以正確選項(xiàng)應(yīng)為D。