一、添加适当的前缀,写出下列形容词的反义词
1. certain
2. healthy
3. active
4. patient
5. direct
6. important

1. uncertain；2. unhealthy；3. inactive；4. impatient；5. indirect；6. unimportant

本题要求添加适当的前缀以写出下列形容词的反义词。在英语中，前缀可以改变单词的意义，通常用于构成反义词。我们需要根据每个形容词的含义，选择合适的前缀来构成其反义词。
1."certain"意为“确定的”，其反义词可以通过添加前缀“un”构成，即“uncertain”，意为“不确定的”。
2."healthy"意为“健康的”，其反义词可以通过添加前缀“un”来构成，即“unhealthy”，意为“不健康的”。
3."active"意为“积极的，活跃的”，反义词是添加前缀“in”构成“inactive”，意为“不活跃的”。
4."patient"意为“有耐心的”，其反义词可以通过添加前缀“im”构成，即“impatient”，意为“不耐烦的”。
5."direct"意为“直接的”，其反义词可以通过添加前缀“in”来构成，即“indirect”，意为“间接的”。
6."important"意为“重要的”，其反义词可以通过添加前缀“un”构成，但更常用的是“unimportant”，意为“不重要的”。

二、用所给词的适当形式填空,使短文内容完整正确
Yesterday was an (1) (usual) day for Tom. When he woke up, he found his room was in an (2) (tidy) state. His little brother had played in his room the night before and made a mess.
Tom was in a hurry to get to work. He put on a shirt, but it was (3) (comfortable) because it was too small. On the way, a traffic policeman stopped him. To his surprise, he was fined for (4) (correct) parking although he was sure he parked correctly. He felt it was (5) (fair).
At work, he received an (6) (complete) report from his partner, which made him very (7) (happy). He tried to talk to the partner, but the partner was (8) (friendly) and refused to cooperate. What's worse, he was (9) (able) to finish his own task on time because of all the troubles.
After work, he decided to watch a movie to relax, but the movie was (10) (interesting). What a terrible day! He just hoped tomorrow would be better.

(1)unusual
(2)untidy
(3)uncomfortable
(4)incorrect
(5)unfair
(6)incomplete
(7)unhappy
(8)unfriendly
(9)unable
(10)uninteresting

1. 根据语境“Yesterday was an ... day for Tom.”及后文描述可知，昨天对Tom来说是不寻常的一天，所以填“unusual”。
2. 根据“His little brother had played in his room the night before and made a mess.”可知房间是凌乱的，“in an untidy state”表示处于凌乱状态，填“untidy”。
3. 根据“because it was too small”可知衬衫穿着不舒服，填“uncomfortable”。
4. 根据“he was fined”可知是因不正确的停车被罚款，填“incorrect”。
5. 根据前文他被罚款可知他觉得这不公平，填“unfair”。
6. 根据“which made him very...”可知收到的是一份不完整的报告，填“incomplete”。
7. 不完整的报告会让他不开心，填“unhappy”。
8. 根据“refused to cooperate”可知伙伴是不友好的，填“unfriendly”。
9. 根据“because of all the troubles”可知他不能按时完成任务，填“unable”。
10. 根据“What a terrible day!”可知电影是无趣的，填“uninteresting”。

三、完形填空
Yang Jun'ao, a 16-year-old student from No. 9 Middle School in Nanxian County, Hunan Province, () a "lotus root harvesting robot (采藕机器人)".
"I got the idea () seeing my grandmother in her 70s, working hard to harvest lotus roots under the hot sun," Yang said. Sometimes, she would badly hurt () fingers using harvesting tools.
To make things () for his grandmother, Yang thought of creating a machine that could automatically (自动地) harvest lotus roots. () his teacher's help, Yang only spent several months building a model of the machine.
When the lotus roots are ripe (成熟的), their leaves turn brown or black. The robot can find ripe roots by looking at the () of the lotus leaves. The robot moves on itself through the muddy field. Its arm then cuts the lotus roots without damaging (破坏) them.
Yang faced () like collecting parts for the model, putting them together and using a hot glue gun for bonding during the invention process. "The () time I used a hot glue gun, my hands were shaking. But practice makes perfect, I can do it well later," Yang laughed.
() Yang showed the machine to his grandmother, she was happy and gave helpful suggestions for improvement.
Although Yang still needs to make improvements, like finding cheaper ways to make the machines, his teacher Hong spoke () of Yang's creative thinking and spirit to help his hometown.

DCCABACBAB

1. 由下文“creating a machine”可知是发明，选D。
2. 看到奶奶辛苦后产生想法，用after，选C。
3. 指代grandmother，用her，选C。
4. 发明机器是为让奶奶做事更容易，选A。
5. “在老师帮助下”用Thanks to，选B。
6. 前文提到叶子变棕或黑，是通过颜色识别，选A。
7. 收集零件等是遇到的挑战，选C。
8. 第一次用热熔胶枪手抖，选B。
9. “当给奶奶展示时”，用When，选A。
10. “高度评价”用spoke highly of，选B。