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精英家教網 > 練習冊解析答案 > 新概念一課一練精華版1冊 > 第161頁解析答案
新概念一課一練精華版1冊

新概念一課一練精華版1冊

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1. She is a great dramatic a
actress
.
答案：actress
解析：“女演員”用actress，故填actress。
Ⅱ 單項選擇。
（
D
）1. Karen Marsh looks old, ______?
A. does Karen
B. doesn't Karen
C. does she
D. doesn't she
（
B
）2. — Has she sold her car yet?
— ______.
A. I think not
B. I don't think so
C. I think has
D. I think hasn't
（
A
）3. After a long walk, the little boy ______ be tired.
A. must
B. mustn't
C. can
D. could
（
A
）4. I haven't finished my work yet. I think I need ______ twenty minutes.
A. another
B. other
C. others
D. more
（
D
）5. She ______ be the youngest. She must be the oldest.
A. must
B. mustn't
C. can
D. can't
（
C
）6. — ______ I clean the room now?
— No, you ______.
A. Must, mustn't
B. Can, mustn't
C. Must, needn't
D. Need, can't
答案：1. D
解析：反意疑問句遵循“前肯后否”原則，主句是肯定句，主語是Karen Marsh，用she代替，助動詞是looks對應的does，否定形式是doesn't she，選D。
2. B
解析：對于“Has she...?”的否定回答，常用“I don't think so”（我不這么認為），A選項表達錯誤，C、D選項結構不正確，選B。
3. A
解析：“走了很長一段路后，小男孩一定很累”，表示肯定推測用must，選A。
4. A
解析：“another+數(shù)詞+名詞”表示“再……，又……”，“another twenty minutes”表示“再二十分鐘”，選A。
5. D
解析：根據(jù)“She must be the oldest.”可知她不可能是最年輕的，否定推測用can't，選D。
6. C
解析：“Must I...?”的否定回答用“No, you needn't.”（不，你不必），選C。