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1. （2023·辽宁营口）It is necessary to ask your parents or teachers for some advice ________ you make the final decision.
A. because B. unless
C. before D. after
A. because B. unless
C. before D. after
答案：
C
2. —Jim has made ________ great progress in the physics exam that his teacher feels surprised.
—It’s hard for him to get high marks ________ he works hard enough.
A. so a; until B. such a; before
C. so; while D. such; unless
—It’s hard for him to get high marks ________ he works hard enough.
A. so a; until B. such a; before
C. so; while D. such; unless
答案：
D【解析】progress作名词时是不可数名词，前面不加不定冠词，故第一空用such；“他努力学习”是“他取得高分”的前提条件，第二空用unless连接，表示“除非”，在句中引导条件状语从句。
3. （2023·南京市联合体二模）—Happiness is about having each tiny wish come true.
—That’s right. ________ we work hard, we’ll make our life full of happiness.
A. If B. Unless
C. Though D. But
—That’s right. ________ we work hard, we’ll make our life full of happiness.
A. If B. Unless
C. Though D. But
答案：
A
4. 亮点原创 ________ we can’t stop nature from making its “moves”, researchers in Tianjin University are building a simulation（模拟）facility to reduce the damage of earthquakes.
A. Unless B. If
C. Although D. Whatever
A. Unless B. If
C. Although D. Whatever
答案：
C【解析】句意：尽管我们无法阻止大自然进行“活动”，但天津大学的研究人员正在建造一个模拟设施，以减少地震的破坏。根据句意可知，应用although引导让步状语从句。
二、句型转换。
1. The old man is very weak. He can’t walk for 20 miles every day.（合并为一句）
The old man is ________ weak ________ walk for 20 miles every day.
2. Tom’s parents got up early in order to get to the airport on time.（保持句意不变）
Tom’s parents got up early ________ ________ they could get to the airport on time.
3. The situation is so serious that we must do something to save the Earth.（保持句意不变）
The situation is ________ ________ for us to do something to save the Earth.
1. The old man is very weak. He can’t walk for 20 miles every day.（合并为一句）
The old man is ________ weak ________ walk for 20 miles every day.
2. Tom’s parents got up early in order to get to the airport on time.（保持句意不变）
Tom’s parents got up early ________ ________ they could get to the airport on time.
3. The situation is so serious that we must do something to save the Earth.（保持句意不变）
The situation is ________ ________ for us to do something to save the Earth.
答案：
too, to
@@so that
@@serious enough
@@so that
@@serious enough
三、方框选词。
they, science, be similar to, explore, like
Dr Zhang is one of the 1. ________ working for CNSA, the organization that researches outer space in China. The purpose of his work is to help astronauts when 2. ________ Mars. At the moment, he and his team are working at China Mars simulation base, because the weather and land there 3. ________ those on the surface of Mars. There, they are testing things 4. ________ spacesuits, tools, greenhouses and so on. Through the work, Dr Zhang and his team hope to prepare 5. ________ for their first journey to Mars.
they, science, be similar to, explore, like
Dr Zhang is one of the 1. ________ working for CNSA, the organization that researches outer space in China. The purpose of his work is to help astronauts when 2. ________ Mars. At the moment, he and his team are working at China Mars simulation base, because the weather and land there 3. ________ those on the surface of Mars. There, they are testing things 4. ________ spacesuits, tools, greenhouses and so on. Through the work, Dr Zhang and his team hope to prepare 5. ________ for their first journey to Mars.
答案：
1. scientists 2. exploring 3. are similar to 4. like 5. them
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