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【简答题】
什么是产品的微生物检验,大肠菌群 2. 反映产品卫生质量的微生物指标主要有哪些? 3. 检验产品的细菌总数和大肠菌群有何意义? 4. 检验产品的细菌总数和真菌(霉菌、酵母菌)常用何种方法?培养温度为多少? 5. 样品采集原则有哪些?
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【单选题】在 172.16.8.159 /26 255.255.255.192 这个网络里,广播地址是
A.
172.16.255.255
B.
172.16.8.127
C.
172.16.8.191
D.
172.16.8.255
【简答题】在△ABC中,角A,B,C的对边分别为a,b,c,AH为BC边上的高,在以下结论中: ① AH ?( AB + BC )= AH ? AB ; ② AH ? AC = AH 2 ; ③ AC ? AH | AH | =c?sinB ; ④ BC ?( AC - AB )= b 2 + c 2 -2bc?cosA . 其中正确结论的序号是______.
【单选题】Why did the Pilgrims make a voyage to America?
A.
To hunt for food
B.
To found a country.
C.
To search for religious freedom.
D.
To seek material pleasure.
【简答题】在172.16.8.159/26这个网络里,广播地址为( )
【简答题】Because of the greater pressure, the underground water shoots out of the suce __________________(以蒸汽和热水的形式).
【单选题】The second half of his voyage was by far the more dangerous part ______ he sailed round the treacherous Cape Horn.
A.
where
B.
of which
C.
during which
D.
that
【多选题】To make a voyage, there should be on a ship.
A.
a captian
B.
first mate/pilot
C.
crew
D.
merchant
【单选题】Which event marks the end of the Wars of the Roses?
A.
Campaign between Spanish Armada and English Navy.
B.
English Renaissance.
C.
The Privy Council becomes the center of administration.
D.
Henry Tudor ascended to the throne as Henry VII.
【单选题】If the officer of the watch must leave the voyage plan, he should _____?
A.
Make a note in the logbook
B.
Inform the mater
C.
No special action necessary
D.
Check the new plan
【单选题】The voyage charter means that th e vessel is put at the disposal of the charterer for a certain period employment without any crew.( )
A.
正确
B.
错误
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