Since accumulations of H2S gas on a ship can be dangerous to personnel，it is important to know that H2S gas is（）.

A . dropped in B . dropped off C . dropped out D . dropped dow

A . 0 ps/nm B . 340 ps/nm C . 200 ps/nm D . 3400 ps/nm E . More information is needed.

A . Clogged oil pump suction screens B . Increased oil operating temperatures C . Sticking piston rings D . All of the above

A .  0 ps/nm B .  340 ps/nm C .  200 ps/nm D .  3400 ps/nm E .  More information is needed.

A . J0 errors detected in a specified interval B . errors detected in a given Errored Second (ES) C . errors detected in a given Severely Errored Second (SES) D . errors the encryption algorithm detects in a specified interval E . Bit Interleaved Parity (BIP) errors detected in a specified interval

A . soft water pump was not secured along with the engine B . jacket water thermostat has failed C . cylinder liner may be cracked D . raw water pump is over-speeding just prior to engine shutdow

A . low compression pressure B . increased piston wear C . increased cylinder lube oil consumption D . poor contact between compression rings and liner

A .  J0 errors detected in a in a specified interval B .  errors detected in a given Errored Seconds （ES） C .  errors detected in a given Severely Errored Seconds （SES） D .  errors the encryption algorithm detects in a specified interval E .  Bit Interleaved Parity （BIP） errors detected in a specified interval

A . kept in nonmetal containers B . discarded as soon as possible C . cleaned thoroughly for reuse D . kept in the paint locker

A．Many species have moved further north. B．Many new species have come into existence. C．Many species have developed a habit of migration. D．Many species have become less sensitive to climate.

A . Trend line. B . Trend analysis. C . S curve. D . Percent completion report. E . Earned value report.

Although interior design has existed since the beginning of architecture, its development 【21】______ a specialized field is really quite recent. Interior designers have become 【22】______ partly because of the many functions that might be 【23】______ in a single large building. There might be stores, theatres, restaurants, and other 【24】______ on the main floor or lower floors of building, while the upper floors might have hotel rooms, apartments, or business offices for many 【25】______ kinds of companies. The importance of interior design becomes 【26】______ when we realize how much time we spend in places surrounded by four walls. Whether we need to be 【27】______ , we want our surroundings to be as attractive and comfortable as possible. We also expect each place to be appropriate 【28】______ its use. You would be shocked if the 【29】______ of your bedroom was suddenly changed to look like that 【30】______ a restaurant. And you 【31】______ feel right in a business office that looked like a school. It soon becomes clear that the interior designer' s most important basic 【32】______ is the function of the particular space. For example, a theatre with poor sight lines, poor sound-shaping qualities, and too few 【33】______ and exits will not work for its 【34】______ , 【35】______ how 【36】______ it might be decorated. 【37】______ , for any kind of space, the designer needs to make various kinds of decisions. He or she must 【38】______ decoration of everything from the shape, textures, lighting, and 【39】______ to floor. 【40】______ addition, the designer must usually select furniture or design built-in furniture, according to the functions that need to be served. 【21】 A．into B．with C．on D．as

A．《荀子·劝学》 Xun Zi's Persuasion of Learning B．《老子》 Tao Te Ching C．《韩非子》 Han Feizi D．《孟子》 The Mencius

A.How wide B.How much

A．acquires B．retains C．preserves D．achieves

A、agriculture B、the energy industry C、the service sector D、the manufacturing industry