英文文法的問題, 有答案, 理由為何呢?

Question

( C )1. Don’t you have anything _____?

(A)to open the box (B) which to open the box

(C) to open the box with (D) which could open the box with

(C ) 2. One’s capacity to live a full, rich life depends on good health and the mental faculty _____ clearly.

(A)think (B) thinking (C) to think (D) which to think

( B ) 3. Today, we can have our computers _____ at the fingerprints of people to identify them.

(A)to look (B) look (C) looked (D) looking

Answer 1

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(C)1. Don't you have anything _____?

(A)to open the box (B) which to open the box

(C) to open the box with (D) which could open the box with

此句若用(B)(D)代入指你沒有任何可以打開盒子的東西嗎?

which必須引導一個子句(B)(D)缺主詞

此句的主動詞為have，因此後面必須用不定詞，至於為何要加介係詞with：如果我們以回答法反推問句：We can open the box with something.必須用到介係詞，因此我們不可省略，此外anything是代名詞

(C ) 2. One's capacity to live a full, rich life depends on good health and the mental faculty _____ clearly.

(A)think (B) thinking (C) to think (D) which to think

我們可以先消去(A)及(D)因為which必須引導子句，主動詞為depends on因次think不可用原形動詞

至於為何要選(C)因為要做到此主詞One's capacity to live a full的先決條件是健康的身體及心理上名淨的機能（此兩種為目的，因此選to think）

觀念：不定詞表目的，計畫，意願。動名詞表經驗，已知的事

( B ) 3. Today, we can have our computers _____ at the fingerprints of people to identify them.

(A)to look (B) look (C) looked (D) looking

首先我們必須來了解have的用法：1.have+VR(主動)

2.have+p.p.(被動)此句很顯然是主動句，因此用原行動詞look

2009-08-26 11:58:58 補充：

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2009-08-26 12:20:21 補充：

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