Ⅰ. 单词拼写
1．The rocket launched two communications ________(卫星)．
2．S__________， new guidelines were issued to all employees.
3．________(科学的) research is widely claimed to be the source of the high standard of living in the U．S.
4．The second thing is that the global services units have become one of our ________(最重要的) customers.
5．If an amount or level is c________， it stays the same over a particular period of time.
6．A country’s ________(海军) consists of the people it employs to fight at sea, and the ships they use.
7．A m__________ is a scientific instrument which makes very small objects look bigger so that more details can be seen.
8．Similarly, every time a ________(生物学家) discovers a new species, there is the opportunity to honour someone or something.
【答案】1．satellites 2．Subsequently 3．Scientific 4．premier 5．constant 6．navy 7．microscope 8．biologist
