[单选题] 提问人:匿名网友 提问时间:2021-08-24

The sonar devices must be placed ________.


A .From time to time
B .after the undersea vehicle dives
C .at the time when the undersea vehicle is diving
D .before the undersea vehicle dives.

提问人:匿名网友 提问时间:2021-08-24

参考答案(由小熊题库网聘请的专业题库老师提供的解答)

请点击↑↑↑ 查看官方参考答案 按钮

习题解析

请点击 查看官方参考答案 按钮

您可能感兴趣的题目


1 .我国商业银行员工违规行为导致的操作风险主要集中于内部人作案和内外勾结作案两种,属于最常见的操作风险类型。( )

Y 对 N 错

题型: 判断题 提问时间: 2021-08-24

2 .商业银行应通过以定性分析为主的方法测算在某些不利情景下可能发生的损失及风险资产的变化,以评估对银行整体层面资本充足水平的影响。( )

Y 对 N 错

题型: 判断题 提问时间: 2021-08-24

3 .对难以量化的风险,商业银行应当建立风险识别、评估、控制和报告机制,确保相关风险得到有效管理。( )

Y 对 N 错

题型: 判断题 提问时间: 2021-08-24

4 .By “more challenging (Para. 6)”, the author means _________.

A more interesting B more demanding C more attractive D more dangerous

题型: 单选题 提问时间: 2021-08-24

5 .Ocean exploration is not so expensive as space travel mainly because _________.

A it is not affected Earth’s gravity B most undersea vehicles operate at the end of long ropes. C ROVs have been put to use D there is no need for submersibles to get away from Earth’s gravity.

题型: 单选题 提问时间: 2021-08-24

7 .Which of the followings is NOT MENTIONED in the passage?

A New techniques are continually developed and new machines invented for undersea exploration. B If not well built, a submersible is most likely to get crushed in deep water. C A submersible, when manned, looks very much like a spaceship. D In certain respects, undersea exploration is often faced wi...

题型: 单选题 提问时间: 2021-08-24

8 .What does the writer say about tap water? Which of the following is NOT correct?

A Tap water reflects the concentrations of hydrogen and oxygen isotopes in different regions. B Tap water is a kind of soft drink in the United States. C Tap water contains unique proportions of isotopes of hydrogen and oxygen. D Tap water is used t cook food.

题型: 单选题 提问时间: 2021-08-24

9 .James R. Ehleringer tried to find out ______.

A if our bodies break water down into its parts. B if it is possible to collect hair samples across the country. C if tap water contains unique proportions of isotopes of hydrogen and oxygen. D if the composition of hair can indicate exactly where people are from

题型: 单选题 提问时间: 2021-08-24

10 .What does the last paragraph tell you?

A The new technique can tell precisely where a person lives. B water supplied in different regions all come from the same source. C Types of water used in different regions provide useful information for the police. D Hair samples provide the most important clues to identify crimes.

题型: 单选题 提问时间: 2021-08-24

 
如有问题 请联系客服
  • 客服微信