更多"Bacteria which live are said to be "的相关试题:
[单项选择]The switchboards are those in which all the live parts are installed behind the panels and only the operating handles and instruments are on the front（）
A. open
B. open front type
C. live front type
D. dead front type
[单项选择]In order to culture and propagate enough bacteria to treat the body and galley wastes（）
A. a new bacteria colony should be put into the plant in advance
B. the disinfection chemicals should be always used
C. the air blower should be started and keep running in advance
D. the nutrient for bacteria should put into plant in advance
[单项选择]When anaerobic bacteria convert the sewage to an inert sludge,（）
A. no oxygen is needed
B. oxygen is necessary
C. oxygen is given off
D. no gas is produced
[判断题]有氧健身舞的动作有许多风格，比较流行的种类有Aerobic dance，Hip Hop，Funk，Salsa等多种风格的有氧舞蹈。
[单项选择]Which of the following is not a factor which can interfere with the pulse of sound and cause a variation the depth reading?（）
A. salinity
B. temperature
C. the hydrostatic pressure
D. Vessel’s speed
[单项选择]（）he said is quite right.
A. That
B. What
C. How
D. Why
[单项选择]Do you understand（）I said?
A. what
B. that
C. which
D. who
[单项选择]（）the captain said is reasonable.
A. That
B. It
C. Which
D. What
[单项选择]Said cargo spaces having been cleaned in accordance with the Regulations and the recommendations of the (US) National Cargo Bureau，Inc. This wording is likely to appear in （）.
A. CERTIFICATE OF CLEANLINESS
B. FUMIGATION AND GAS FREE CERTIFICATE
C. CERTIFICATE OF CLASS
D. INTERNATIONAL OIL POLLUTION PREVENTION CERTIFICATE
[单项选择]Nobody believed him（）what he said.
A. even though
B. in spite
C. no matter
D. contrary to
[单项选择]I can hardly understand（）you said.
A. what
B. which
C. that
D. who
[单项选择]Captain said that very clearly so that nobody was in any（）about what was meant?
A. doubt
B. question
C. wonder
D. consideration
[单项选择]The foreign guests said that they were very happy （）the great changes which had taken place in the village.
A. to
B. for
C. about
D. by
[单项选择]Language is said to be arbitrary because there is no logical connection between （）and meanings.
A. sense
B. sounds
C. objects
D. ideas
[单项选择]When we have agreed broadly on what should be said, the secretary will produce a preliminary （）for the committee's approval.
A. project
B. design
C. draft
D. drawing
[单项选择]In the Northern Hemisphere a wind is said to veer when the wind（）.
A. Changes direction clockwise，as from north to east，etc
B. Changes direction violently and erratically
C. Remains constant in direction and speed
D. Changes direction counterclockwise，as from south to east，etc
[单项选择]（）the abstracts of deck logbook covering the said accident．
A. Attached herewith are
B. Attached is herewith
C. Attached are hereby
D. Hereby are attached
