九年級英語上冊第一單元知識點匯總（一）
1.aloud adv.出聲地(使別人能聽得到)
reading aloud is a good way in leaning english.
朗讀是學英語的一個好方法。
▲loud adj. 大聲的，聲音洪亮的，loud—louder—loudest
he talked in a loud voice so that everyone could hear him.
他說話聲音很大以便于每個人都能聽得到他。
▲adv. loud—louder—loudest
don’t talk so loud.the kids are reading.
說話小聲些，孩子們正在看書。
(speak)louder，please!
請再說高一些!
▲loudly adv吵吵鬧鬧地，噪聲地
i heard someone knocked loudly at the door.
我聽到有人在使勁敲門。
they are talking loudly in the next room.
他們在隔壁說話聲很大。
2.voice n.噪音，鳥鳴聲
she has a sweet voice.
她聲音很甜美。
she raised her voice so that she could be heard.
她提高了嗓音隊便于別人能聽清楚。
he lost his voice./he had no voice because of the cough.
因為咳嗽，他失聲了。
▲noise n噪音，吵鬧
don’t make so much noise.
別弄出那么大的噪音。
i heard a strange noise outside.
我聽到外邊奇怪的聲音。
▲sound n.(自然界中的)聲音，響聲
sound travels slower than light.
聲音的傳播比光慢。
3.memory n.(計算機的)儲存器
a lot of information is stored in the memory.
計算機的儲存器能儲存很多信息。
▲n.記憶力
he has a poor memory after the car accident.
車禍后他的記憶力很差了。
▲n. 回憶，懷念
i have a pleasant memory of my childhood.
我對童年有美好的回憶。
▲memorize/memorise vt. 記住，背過
he can memorize new words very quickly.
他能很快記住很多單詞。
4. frustrate vt.使失望，使沮喪
the serious illness frustrated his dream for college.
他上大學的夢想遭受挫折。
▲frustrating adj. 令人失望的
what he said is frustrating.
他所說的話很令人失望。
she finds it frustrating to watch english movies.
她覺得看英語電影很令人失望(因為看不懂)。
▲frustrated adj. 失望的，沮喪的
he was frustrated when he failed again in the test.
當他再次考試沒及格后，他很失望。
5.add vt. 增加，加
she tasted the soup and added more salt.
她嘗了嘗湯，又加了些鹽。
▲add to 增添
his coming added to our trouble.
他的到來給我們添了很多麻煩。
▲add up to 總計達……，加起來……
the number of the students in our class adds up to 55.
我們班上學生的數目加起來是55人。
▲vt. 補充說，又說
he said goodbye to us and added that he would visit us again.
他和我們說了再見，又說他會再來看我們的。
6. excite vt.使興奮
the news that our team had won excited everybody.
我們隊贏了的消息令所有的人很激動。