单项选择题

Questions 11 to 13 are based on the following passage. At the end of the passage, you will be given 15 seconds to answer the questions.
Now, listen to the passage.
According to the speaker, what may be one reason for the success of the merchant ships of the United States().

A. They were protected by a strong United States Navy.
B. They were supported by a well-developed railroad.
C. Most crew members had experience on foreign ships.
D. As part owners of the ships, captains got some of the profits.

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单项选择题

According to the conversation, the internal recruitment has the following disadvantages EXCEPT().

A. not enough applicants.
B. rarely bringing fresh ideas to the company.
C. lots of internal political problems.
D. requiring more time to find qualified applicants.

单项选择题

Which of the following is NOT in the six Arab countries conducting a public opinion poll().

A. Saudi Arabia.
B. Egypt.
C. Syria.
D. Jordan.