Ⅰ 根据汉语提示写单词
1. All the students were shocked at the teacher’s decision to （替换）the final exam with a group project.
2. The university is looking for volunteers to help organise the （一年一次的）clean-up event on campus.
3. We just had a brief discussion about his lecture because of the （有限的）time.
4. While the sun’s rays can age and （损害）our skin, they also give us a lot of benefits.

1. replace 句意:所有学生都对老师用小组项目替换期末考试的决定感到震惊。“替换”对应的英文单词为replace，replace...with...为固定搭配，意为“用……替换……”。
2. annual 句意:这所大学正在寻找志愿者，协助组织校园里一年一次的清洁活动。“一年一次的”对应的英文单词为annual，在此处作定语修饰名词event。
3. limited 句意:因为时间有限，我们只是简单讨论了一下他的讲座。“有限的”对应的英文单词为limited，在此处作定语修饰名词time。
4. harm 句意:虽然阳光的光线会让我们的皮肤老化并受到损害，但它们也能给我们带来很多益处。“损害”对应的英文单词为harm，情态动词can后接并列的动词原形。

Ⅱ.用括号内单词的适当形式填空
1. People who lost their homes looked for shelter and food in the ( freeze ) winter weather.
2. Many small ( creature ) live in the soil, playing an important role in the ecosystem.
3. Our school was ( found ) in 1950 and has trained thousands of students so far.
4. Located in the east of Guangdong Province, the beautiful city is a famous tourist attraction ( surround ) by sea.
5. She ( stare ) at the painting in amazement, unable to believe how beautiful it was.
6. Many young people choose flexible jobs to earn their ( live ) in big cities.
7. The book has clear images to help students understand the chemical ( react ) better.
8. Judging from Jason’s last jump, it’s likely that he hasn’t fully ( recover ) from his injuries yet.

1. freezing 句意:失去家园的人们在极冷的冬日里寻找住处和食物。空处须用形容词作定语修饰名词短语winter weather，freezing意为“极冷的”，侧重“温度低的感受”，符合语境。
2. creatures 句意:许多小型生物生活在土壤中，(它们)在生态系统中扮演着重要角色。限定词Many后接可数名词复数形式，creature的复数形式为creatures。
3. founded 句意:我们的学校建于1950年，到目前为止已经培养了数千名学生。根据in 1950可知，时态是一般过去时，主语Our school和动词found之间是被动关系，应用一般过去时的被动语态，found的过去分词为founded。
4. surrounded 句意:这座美丽的城市位于广东省东部，是一座被大海环绕的著名旅游胜地。非谓语动词作后置定语，修饰名词tourist attraction，tourist attraction和动词surround之间是被动关系，应用surround的过去分词形式surrounded。
5. stared 句意:她惊愕地凝视着这幅画，不敢相信它竟如此美丽。根据was可知，句子描述过去的动作，时态是一般过去时，stare的过去式为stared。stare at为固定搭配，意为“凝视；盯着看”。
6. living 句意:许多在大城市里的年轻人选择灵活的工作来维持他们的生计。earn one's living为固定搭配，意为“维持生计”。
7. reaction 句意:这本书配有清晰的图片，帮助学生更好地理解化学反应。形容词chemical后接名词，react的名词形式为reaction。chemical reaction为固定搭配，意为“化学反应”。
8. recovered 句意:从Jason的最后一跳的表现来看，他很可能还没有从伤病中完全恢复。根据hasn't可知，句子时态是现在完成时，结构为“have/has+过去分词”，recover的过去分词为recovered。

Ⅲ.用适当的并列连词填空
1. Some of the studies show positive results, others do not.
2. I was looking at the photos on the noticeboard I heard a voice behind me.
3. Please write down a list of the items you want to buy, you will possibly forget some of them.
4. He didn’t attend the meeting, he was ill.
5. Take more exercise, you’ll become stronger.
答案 P23

1. while/but 句意:一些研究显示出积极的结果，然而另一些却没有。表示前后两种情况的对比，用while或but。
2. when 句意:我正在看布告栏上的照片，这时突然听到身后传来一个声音。“be doing sth. when...”为固定句型，意为“正在做某事，这时突然发生另一件事”。
3. or 句意:请把你想买的东西写在清单上，否则你可能会忘记其中一些。or作为并列连词，表否定的条件，前半句为祈使句表“建议”，后半句表“不做此事的后果”。
4. for 句意:他没有参加会议，因为他生病了。for作为并列连词，表原因。
5. and 句意:多做运动，你就会变得更强壮。“祈使句+and+陈述句”为固定句型，and表顺承的结果，前半句为祈使句表“条件”，后半句为陈述句表“产生的结果”。