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一、选用方框中单词的适当形式完成句子。
day electronic knock low national
1. It's important for all the ______ to work together to protect the environment.
2. This dictionary is available in paper and ______ form(形式).
3. My house is ______ than that of my neighbor's.
4. Reading
books ______ helps us learn more and improve our thinking skills.
5. He is too shy ______ on the teacher's door to ask questions.
day electronic knock low national
1. It's important for all the ______ to work together to protect the environment.
2. This dictionary is available in paper and ______ form(形式).
3. My house is ______ than that of my neighbor's.
4. Reading
books ______ helps us learn more and improve our thinking skills.
5. He is too shy ______ on the teacher's door to ask questions.
答案
1. 这里需要一个名词，“national”（国家的，民族的）的名词形式“nationals”（国民）符合语境，“all the nationals”表示“所有国民”。
2. “electronic”（电子的），“electronic form”（电子形式），与“paper form”（纸质形式）相对应。
3. 句中有“than”，要用比较级，“low”（低的）的比较级“lower”（更低的），“My house is lower than that of my neighbor's.”（我的房子比我邻居的房子低。）
4. “day”（天）的形容词形式“daily”（日常的），“daily books”（日常书籍），“Reading daily books”（阅读日常书籍）作主语。
5. “too...to...”（太……而不能……）结构，“knock”（敲），“He is too shy to knock on the teacher's door to ask questions.”（他太害羞了，不敢敲老师的门去问问题。）
1. nationals
2. electronic
3. lower
4. daily
5. to knock
2. “electronic”（电子的），“electronic form”（电子形式），与“paper form”（纸质形式）相对应。
3. 句中有“than”，要用比较级，“low”（低的）的比较级“lower”（更低的），“My house is lower than that of my neighbor's.”（我的房子比我邻居的房子低。）
4. “day”（天）的形容词形式“daily”（日常的），“daily books”（日常书籍），“Reading daily books”（阅读日常书籍）作主语。
5. “too...to...”（太……而不能……）结构，“knock”（敲），“He is too shy to knock on the teacher's door to ask questions.”（他太害羞了，不敢敲老师的门去问问题。）
1. nationals
2. electronic
3. lower
4. daily
5. to knock
