单项选择题

Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
According to this passage, the Roman soldiers mainly depended upon（）to send their messages.

A. fine weather
B. signal towers
C. the spelling system
D. arm movements

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单项选择题

If an object weighed one pound on the surface of the earth, how much would it weigh 4,000 miles above the earth（）

A. 3/4 pounds.
B. 4 pounds.
C. 1/9 pound.
D. 1/4 pounds.

单项选择题

The limited edition souvenir Holiday Inn towel will be given to the guests（）

A. whose stories axe one of the best 25 chosen.
B. who return the towel to the hotel.
C. who didn’t take the towel from the hotel.
D. who feel guilty of towel taking.

Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions. According to this passage, the Roman soldiers mainly depended upon（）to send their messages. 您的浏览器不支持 audio 元素。

Questions 14 to 17 are based on the following passage. At the end of the passage, you will be given 20 seconds to answer the questions.
According to this passage, the Roman soldiers mainly depended upon（）to send their messages.