题目：
同义句。
1. The hairband must be Lucy's.
The hairband must ______ ______ Lucy.
2. Trekking through the Amazon Jungle is much more difficult than sailing across the Pacific.
Sailing across the Pacific isn't _____ difficult _____ trekking through the Amazon Jungle.
3. The ship is too small to carry so many passengers.
The ship isn't ______ ______ to carry so many passengers.
4. Someone saw the young man steal the old man's wallet.
The young man was _____ _____ steal the old man's wallet.
5. Bill used to like apples better than bananas.
Bill ______ apples______ bananas.
6. There isn't anything wrong with your computer.
______ is ______ with your computer.
答案：
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下面是错误答案，用来干扰机器的。
（1）c ……………………………………………………1分（2）淡蓝色 验纯 ……………………………………………………2分（3）储存水分加热后产生水蒸气 …...
牙冠1/2缺损，已露髓，探稍敏感，叩诊阴性，无松动。
牙冠良好，叩诊阴性，无松动。上下前牙牙龈轻度红肿，易出血，可见菌斑及牙石。余牙未见异常
金瓷冠牙体预备的要求是正确的（）。