15. A biologist does not merely describe organisms, but tries to learn _______ act as they do.
(A) what cause to them
(B) causes them to what
(C) what to cause them
(D) what causes them to

答案：登入後查看
統計： A(27), B(2), C(35), D(331), E(0) #1280288

詳解 (共 1 筆)

#4868507

題目可以理解為 tries to learn the thing ，此可以判為為名詞類的名詞子句或複合關係子句
根據選項可以將子句還原成：the thing causes them to act as they do
改寫為關係子句則是tries to learn something that causes them to act as they do
再將關代和先行詞something合併形成複合關係子句：tries to learn what causes them to act as they do

12
0