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1、一、。

2、 1.A 2.C 3.A 4. B 5. D 二、 1. Have you ever swum 2. he hasn’t visited 3. hasn’t won any prizes 4. I’ve alwayswanted to help you 5. has already invite us to travel 三、 1. It’s over 550metres. 2. To take in thebreath-taking view. 3. By rotating once every 72 minutes. 4. Three. / 3. 5. Some information about the CN Tower. 四、。

3、 1.D 2.B 3.D 4.A 5.B 6.B 7.D 8.A 9.B 10.B。

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