An inquiry can be made by written correspondence or verbally by talk in person.

A . the floating-free method only B . breaking the weak link on the painter C . throwing the entire container overboard and then pulling an the operating D . removing the securing stra

A . TEMP B . UNDO C . INDEX D . SYSAUX E . SYSTEM

A . power B . maximum pressure in a cylinder C . mean pressure in a cylinder D . all of the above

A . the four-way control valve failing to shift B . the bleeder valve sticking in the open position C . cold hydraulic fluid D . a clogged air vent falter on the oil reservoir

A . a marine chemist B . the Officer in Charge，Marine Inspection C . the Master or person in charge of the ship D . the National Fire Protection Associatio

A . the float-free method ONLY B . breaking the weak link on the painter C . throwing the entire container overboard and then pulling on the operating cord to inflate the raft D . removing the securing stra

A . portable growler B . galvanometer C . visual inspection D . megohmmeter

A . excessively late fuel injection B . oil in the air charge C . water in the fuel D . injection continuing after the fuel charge is ignited

A . precautions B . rpm C . indicator cards D . B and C

A . the peak pressure in a cylinder B . the temperature of the cooling water C . the fuel consumption D . none of the above

A . fuel dribbling from leaking fuel injectors B . burning fuel with a high carbon content C . burning fuel with a high vanadium content D . burning fuel with a lower sulphur content

A . CCS B . the Customs C . MOC D . MSA

A . increasing cooling water flow B . increasing lube oil flow C . dilution by fuel oil D . adding SAE 70 oil

A . TEMP B . UNDO C . INDEX D . SYSAUX E . SYSTEM

A . The shaft B . The mechanical C . The electric D . The indicated

A . changing the direction of exhaust gas flow B . increasing the exhaust gas velocity C . changing the exhaust gas weight D . increasing the exhaust gas static pressure

A . air or water in the furnace B . combustion pulses C . fuel oil pump failure D . flame failure

A . unscrewing the bulb during the daylight B . switching the light on only when necessary C . taking no action as there is no way on saving power D . taking no action as they shut off automatically in daylight

21. Now many animals can do some simple jobs that are done by human beings. 22. The writer says that 8t a circus we can see animals doing cIever tricks. 23. The trainer usually gives the animal a piece of candy or fruit after it has done the trick. 24. The reward in the passage means "attention paid to a good behavior". 25. Many animals may be trained to do simple jobs if they know who their trainers are. 26. Geese can be used to guard a house. 27. When the pigeon sees a ball which looks different from the others , it makes a noise. 28. Trainer usually spends 40 days or so training a pigeon to inspect sm811 steel balls. 29. An ape is a large monkey. 30. Scientists believe apes may drive buses one day.

A．John Keats B．William Blake C．Percy Bysshe Shelley D．William Wordsworth