根据语境填写单词。
1. I can't swallow(吞咽) anything because my throat is very ; it hurts every time I try to eat.
2. She stayed at home from school today because her temperature was very high; she has a serious .
3. My grandfather often complains about the pain in his back, known as , especially after spending hours gardening.

1. sore
2. fever
3. backache

1. 句意为：我什么都咽不下去，因为我的喉咙非常疼，每次尝试进食的时候都很疼。此处需要填入形容词作表语，sore意为“疼痛的”，用于描述喉咙肿痛不适的状态，符合语境。
2. 句意为：她今天没去上学待在家里，因为她体温很高，她发了严重的高烧。固定搭配have a fever表示“发烧”，fever是名词，对应前文体温很高的描述，符合语境。
3. 句意为：我的爷爷经常抱怨后背疼，也就是背痛，尤其是在花好几个小时打理园艺之后。backache是名词，意为“背痛”，对应前文提到的背部疼痛，符合语境。

4. If you have a bad toothache, you should see a immediately to fix the problem.

dentist

根据句子语境“如果你牙疼得厉害，你应该立刻去看______来处理这个问题”，结合生活常识，牙疼需要找牙医诊治，空格前有不定冠词a，后面要接可数名词单数，对应的表示“牙医”的英文单词是dentist。

5. He got a after getting hit hard on the nose during the basketball game.

nosebleed

本题考查语境理解及八年级核心短语搭配，根据句中“篮球比赛里鼻子被重重撞到”的语境，对应的身体状况是流鼻血，固定表达为get a nosebleed，空格前有不定冠词a，后面需要填入可数名词单数nosebleed，符合单元所学内容。

6. To check if the bone in my arm was broken, the doctor took an .
7. Drink this warm herbal(药草的) tea; it smoothes(舒缓) your throat and helps stop your .
8. She fell off her bike and got a large on her knee.
9. Don't be so ! You forgot your homework at home again because you weren't paying attention.
10. The little girl cried loudly because her knee was cut and covered in .

6. X-ray
7. cough
8. cut
9. careless
10. blood

6. 根据语境，要检查手臂骨头是否骨折，对应的医疗操作是拍X光片，空格前有不定冠词an，后接以元音音素开头的名词，take an X-ray是固定搭配，意为“拍X光片”，X-ray符合语义和语法要求。
7. 根据前半句草药茶可以舒缓喉咙的提示，这类茶饮可以帮助缓解止住咳嗽，cough作名词意为“咳嗽”，符合语境。
8. 根据“从自行车摔下来”的语境，摔倒后膝盖上会出现较大的伤口，cut作名词有“伤口、切口”的含义，符合语义。
9. 根据后半句“没留心又把作业忘在家里”的提示，此处是提醒不要这么粗心，careless是形容词，意为“粗心的”，放在be动词后作表语符合语法规则。
10. 根据“膝盖被割破”的提示，受伤的膝盖会被血覆盖，blood是名词意为“血”，符合语境。