高中英语

e were doing our homework quietly when suddenly someone outside shouted. We were doing our homework quietly when ________ someone outside shouted. 3. Although she hates her stepmother, sometimes she

s. 6. Don’t drink the _______ (pollute) water. 7. The ________ (worry) mother looked at her ________ (worry) son, looking _______ (worry). III. Correct the following sentences. 1. The foreigner tried

hrough. I’ve been having some trouble with the line and I keep getting cut off. If the line goes dead, ring me back immediately on my mobile and it should be OK. Now what do you want your mobile to

ge, as well as provide the means for the invention of mercial printing later on. Commercial Printing It was Bi Sheng who first introduced movable type printing in the 1040’s, which was considered as

不懈地进行电子电视的研究。 1924年兹沃雷金的研究成果 —— 电子电视模型出现。 兹沃雷金（ 1889－ 1982）美国发明家。 1923年发明电子电视摄像管， 1931年研 究成功电视显像管。 兹沃雷金称模型的关键部位为光电摄像管，即电视摄像机。 遗憾的是，由于图像暗淡，几乎同阴影差不多。 1929年矢志不渝的兹沃雷金又推出一个经过改进的模型，结果仍然不很理想。 美国的 ARC公司最终投资了

属膜片随声音而振 动，膜片的振动带动一 根磁性簧片随之振动，在电磁线圈中便产生了感应电流，电流经导线传至受话一方，使受话器上的膜片相应的振动，将话音还原出来。 然而，这台机器真正开始工作是在 1876年 3月 10日这一天。 当时，贝尔正在做实验，不小心把硫酸溅到脚上，他痛得不禁对着话筒向正在另一房间里的沃森大叫：“沃森，快来帮帮我。 ”不料，这一求助声竟成为世界上第一句由电话机传送的话音

t be ______ of what you fear Look around, the storm has ______ Just hurricanes of _________ Raise up your umbrellas high And stand beneath, the _____ blue sky It39。 s raining sunshine It39。 s raining

_ things someday. — From that moment on I was __________ to invent something great. (Remote Control Television. And, the pitch is in. Eventually. Hair UnBalder. Flying Car. Monkey Thought Translator.

a human being, such as the lightning rod. To the contrary, a discovery merely makes known something that already existed in nature, such as the discovery on the New Continent by Columbia. OK. Let’s

the telephone message to… 传送电话信息 给…… , interest oneself in many other areas of… 对其它许多领域感兴趣 , search for..寻找 …… , carry…into the air 把 …… 带上天空 , put…together 拼装 …… , prove invaluable 证明是无价的 , in the