问题
单项选择题
人工器测日照采用（）时，以（）为日界。
A.真太阳时；日落
B.真太阳时；地方平均太阳时24时
C.地方平均太阳时；20时
D.地方平均太阳时；日落
答案
参考答案：A
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人工器测日照采用（）时，以（）为日界。
A.真太阳时；日落
B.真太阳时；地方平均太阳时24时
C.地方平均太阳时；20时
D.地方平均太阳时；日落
参考答案：A
| 完形填空。 | |||
| The great ship, the Titanic, sailed for New York from England on April 12th, 1912. The ship had sixteen watertight compartments (密封舱). Even if two of them were broken, she would 1 be able to stay on the water. Four days after 2 , while the Titanic was sailing 3 the icy waters of the North Atlantic, a huge ice mountain suddenly appeared. The great ship turned hard. The Titanic turned just in time, and just missed the big 4 of ice beside her. Suddenly there was a trembling (颤抖的) 5 from below and the captain went down to see what had 6 . The noise had been so weak that 7 thought the ship had been broken. But the captain 8 that the ship was sinking (下沉) very quickly, for five of the sixteen watertight compartments had already been broken! The order (命令) to 9 the ship was given and hundreds of people jumped into the icy water. As there were not enough lifeboats for everybody, 1,500 lives were 10 . Although the sad story has been so many years, people still remember it clearly. | |||
| ( )1. A. not ( )2. A. breaking ( )3. A. through ( )4. A. wall ( )5. A. voice ( )6. A. received ( )7. A. everyone ( )8. A. realized ( )9. A. keep ( )10. A. lived | B. yet B. finding B. above B. ground B. sound B. stopped B. anyone B. remembered B. leave B. saved | C. never C. starting C. across C. window C. shout C. happened C. nobody C. asked C. buy C. lost | D. still D. turning D. under D. door D. cry D. left D. anybody D. forgot D. sell D. found |