[文法] 數題文法

[n0204159 (我期待有一天我會回來)]

1. "You'll discover that Jane is a generous person.  "
   "That ____ is enough to make me like her."

   (A) single (B) only (C) alone (D) lonely


   這題答案給 c  但其實我對4個選項都有疑問..


2. When allowed to sleep, volunteers who kept awake as many as 100 hours

   dreamed  ____  than usual


  (A) more considerably  (B) considerably more (C) most (D) most considerably


   這題答案給 b  我想請問 a 為何不行?


3. _____  , heat if produced.


  (A) The mixing together of certain chemicals

  (B) Whenever certain chemicals are mixed together

  (C) Certain chemicals mixed together

  (D) That certain chemicals are mixed together

 這題答案給 B   但我對於題目裡的if毫無頭緒



請高手幫小的指點迷津

謝謝!!

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推 BAPExKAWS:第三題那個if應該是is才對吧^^
推 chenzhishun1:BAPExKAWS +1 ^^
→ chenzhishun1:"alone" = "by itself"   That by itself is …
→ chenzhishun1:OR  you can say "By itself, that is … "
→ chenzhishun1:And it is considered better to keep "more" and
→ chenzhishun1:"than" together ^^ it's a question about style.
→ n0204159:我也在猜是is  感謝兩位幫忙
推 haha31:第3題不是is..是if  原句是 if they are produced.
→ haha31:看錯了sorryXD