九年级英语上册第一单元知识点汇总（一）
1.aloud adv.出声地(使别人能听得到)
reading aloud is a good way in leaning english.
朗读是学英语的一个好方法。
▲loud adj. 大声的，声音洪亮的，loud—louder—loudest
he talked in a loud voice so that everyone could hear him.
他说话声音很大以便于每个人都能听得到他。
▲adv. loud—louder—loudest
don’t talk so loud.the kids are reading.
说话小声些，孩子们正在看书。
(speak)louder，please!
请再说高一些!
▲loudly adv吵吵闹闹地，噪声地
i heard someone knocked loudly at the door.
我听到有人在使劲敲门。
they are talking loudly in the next room.
他们在隔壁说话声很大。
2.voice n.噪音，鸟鸣声
she has a sweet voice.
她声音很甜美。
she raised her voice so that she could be heard.
她提高了嗓音队便于别人能听清楚。
he lost his voice./he had no voice because of the cough.
因为咳嗽，他失声了。
▲noise n噪音，吵闹
don’t make so much noise.
别弄出那么大的噪音。
i heard a strange noise outside.
我听到外边奇怪的声音。
▲sound n.(自然界中的)声音，响声
sound travels slower than light.
声音的传播比光慢。
3.memory n.(计算机的)储存器
a lot of information is stored in the memory.
计算机的储存器能储存很多信息。
▲n.记忆力
he has a poor memory after the car accident.
车祸后他的记忆力很差了。
▲n. 回忆，怀念
i have a pleasant memory of my childhood.
我对童年有美好的回忆。
▲memorize/memorise vt. 记住，背过
he can memorize new words very quickly.
他能很快记住很多单词。
4. frustrate vt.使失望，使沮丧
the serious illness frustrated his dream for college.
他上大学的梦想遭受挫折。
▲frustrating adj. 令人失望的
what he said is frustrating.
他所说的话很令人失望。
she finds it frustrating to watch english movies.
她觉得看英语电影很令人失望(因为看不懂)。
▲frustrated adj. 失望的，沮丧的
he was frustrated when he failed again in the test.
当他再次考试没及格后，他很失望。
5.add vt. 增加，加
she tasted the soup and added more salt.
她尝了尝汤，又加了些盐。
▲add to 增添
his coming added to our trouble.
他的到来给我们添了很多麻烦。
▲add up to 总计达……，加起来……
the number of the students in our class adds up to 55.
我们班上学生的数目加起来是55人。
▲vt. 补充说，又说
he said goodbye to us and added that he would visit us again.
他和我们说了再见，又说他会再来看我们的。
6. excite vt.使兴奋
the news that our team had won excited everybody.
我们队赢了的消息令所有的人很激动。
