单句语法填空(一)1(2020北京卷)_the damage is done，it will take many years for the farmland to recover.解析：句意：一旦损害造成，农田恢复将需要很多年的时间。Once/If做连词“如果”引导条件状语从句。答案：Once/If2(2020江苏卷)It is so cold that you cant go outside_fully covered in thick clothes.解析：句意：外面太冷了，你不要出去，除非用厚衣服完全裹起来。“unless fully covered”为“连词省略结构”，补充完整为“unless you are fully covered”。答案：unless3(2020天津卷)We need to get to the root of the problem_ we can solve it.解析：句意：在我们解决问题之前，我们需要找到问题的根源。before “在之前”。答案：before4(2020浙江卷)Just_a single world can change the meaning of a sentence，a single sentence can change the meaning of a paragraph.解析：句意：正如一个简单的单词能改变一个句子的意思一样，一个简单的句子能改变一个段落的意思。as“如，像”。答案：as5(2020安徽卷)_scientists have learned a lot about the universe，there is much we still dont know.解析：句意：虽然科学家对宇宙已经了解了很多，但仍有很多东西是我们不知道的。though引导让步状语从句。答案：Though6(2020北京卷)Some animals carry seeds from one place to another，_ plants can spread to new places.解析：句意：一些动物将种子从一个地方带到另外一个地方，因此植物可以传播到新的地方。设空处前后两个分句之间为因果关系，故填并列连词so。答案：so7(2020陕西卷)The young couple，who returned my lost wallet，left _ I could ask for their names.解析：句意：那对年轻的夫妇归还了我丢失的钱包。我还没来得及问他们的名字，他们就已经走了。根据语境可知，作者在问他们名字之前，他们已经走了，故填before。答案：before8(2020四川卷)Ill be out for some time._ anything important happens，call me up immediately.解析：句意：我出去一会儿，万一有任何重要事情发生，立即给我打电话。根据句意可知设空处为一种假设的情况，所以填in case“万一”。答案：In case9(2020江西卷)It was the middle of the night _ my father woke me up and told me to watch the football game.解析：句意：半夜，我的父亲把我叫醒并告诉我起来看足球赛。根据语境可知，设空处引导一个时间状语从句，表示“当的时候”，故填when。答案：when10(2020安徽卷)The meaning of the word“nice”changed a few times _ it finally came to include the sense“pleasant”解析：句意：“nice”这个单词的含义在它最终包含“令人愉快的”含义之前经过了多次变化。根据句意填before。答案：before(二)1Allow children space to voice their opinions even_they are different from yours.解析：句意：即使孩子们的观点与你的不同，也要给孩子表达他们观点的自由空间。even if/though“即使”。答案：if/though2As young men，we should learn to stand up_we fell.解析：句意：作为年轻人，我们应该学会在我们跌倒的地方站起来。本题考查地点状语从句。“_we fell”说明stand up这一动作的地点，故答案为where。引导地点状语从句。答案：where3Mankind must first of all eat，drink，have shelter and clothing，_ it can pursue politics，science，art and religion.解析：句意：在追求政治、科学、艺术和宗教之前，人类必须首先要吃喝，有地方住，有衣服穿。before“在之前”。答案：before4He hasnt got any hobbies_you call watching TV a hobby.解析：句意：他没有任何爱好除非你把看电视也叫做爱好。unless“除非”。答案：unless5Mother often reminds me that the best thing one can do_ it is raining is to let it rain.解析：句意：妈妈总是提醒我：下雨时，人所能做的就是由它下吧。when/while“当的时候”。答案：when/while