22. By the time ，I will have finished reading the book. (come)
到他回來時，我將讀完這本書了。
22. he comes back考查一般現在時表將來的用法。在主從復合句中，主句時態為將來時，從句時態應用一般現在時表將來。在本句中，bythetime 引導的句子是從句，因此"回來"的時態應是一般現在時表將來。
題目來源：高考丟分題英語 > 專題訓練 2：時態和語態
科目：高中英語 來源： 題型：
8. The teacher commanded the students the classroom before he returned. (go)
老師命令學生在他回來之前不要離開教室。
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科目：高中英語 來源： 題型：
10. In response to the audience' s great demand, the play in the theatre twice a week. (put)
應觀眾的強烈要求，這部戲將會在這個劇院每周上演兩次。
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17. The subject in the general meeting of shareholders until the workers threatened a strike. (come)
直到工人威脅要罷工，這個話題才在股東大會上提了出來。
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科目：高中英語 來源： 題型：
27. A Frenchman who lost his arms and legs successfully swam across the Channel，a challenge he for two years. (prepare)
一位失去了雙臂和雙腿的法國人成功地游過了這個海峽，完成了一個他準備了兩年的挑戰。
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科目：高中英語 來源： 題型：
( ) 4. The photos on the wall my mother of those happy old days when a large family
lived together.
A. inform B. approve C. remind D. retell
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科目：高中英語 來源： 題型：
Most people know Alexander Graham Bell invented the telephone. But not many know about another talking device (equipment) he invented just four years later，in 1880. He called the device the photophone.
"Photophone" comes form the Greek words for "light" and "sound". The photophone did not use electricity to carry sound over wires between two people. That' s what a telephone does. Instead,
the photophone used a beam of sunlight traveling through the air. With his invention, Bell could actually transmit(傳遞)human speech on a beam of light. To do so，he spoke close to a thin mirror that was reflecting sunlight. The vibrations(顫動)of his voice caused the mirror to vibrate，and the vibrating mirror caused the light to vibrate. The vibrating light hit a light-sensitive cell in a receiver placed some distance away. The cell changed the light patterns into electrical signals. Earphones changed the signals back into sounds.
Bell believed that his idea of talking on a beam of light would prove to be important. He often called the photophone his greatest invention. Even though the photophone depended on a source of energy that was not constant一the sun―Bell wasn' t a bit discouraged. He felt sure that people would one day talk using beams of light.
Two much more recent developments made Bell' s dream come true. In 1960 ，a scientist built the laser. A laser produces a highly concentrated beam of light. Shortly afterward, other scientists developed a new kind of optical fiber. The optical fiber is a glass thread. The new fiber could carry light beams long distances―as far as several miles.
( ) 1. According to Bell's own opinion, is his greatest invention.
A. telephone B. optical fiber C. photophone D. laser
( ) 2. What does "That" refer to in the underlined sentence?
A. Using a beam of sunlight traveling through the air.
B. Using electricity to carry sound over wires between two people.
C. Transmitting human speech on a beam of light.
D. Light and sound.
( ) 3. Which statement is true about Bell，s invention of photophone?
A. The photophone depends on a constant source of energy.
B. The photophone is based on the invention of the telephone.
C. Earphones are used to change light into sounds.
D. The laser and the optical fiber are helpful for Bell' s invention.
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科目：高中英語 來源： 題型：
7. The innocent boy took the advice that he strangers. ( stare )
這位單純的男孩接受了不要盯著陌生人看的建議。
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