_广东成考网

The aim of the voyages Maury was responsible for in the 1840s was__________.

• A、to make some sounding experiments in the oceans
  

• B、to collect samples of sea plants and animals
  

• C、to estimate the length of cable that was needed
  

• D、to measure the depths of the two oceans

Such electron tubes__________in a radio set are also found in a TV set.

• A、that we use
• B、as we use
  
• C、as we use them
• D、that we Use them
  
  

VI. Writing ( 25 points)
以行政管理部门(Administration Office)的名议写一份考试延期的通知。
其内容如下：原考试日期、地点；延期至何时、何地；延期的原因；涉及的对象。