A light is（）from Changshanzui,the SE extremity of the island.

A . shown at the bow B . white in color C . shown in addition to the stern light D . an all-round light

A . O-ring B . gasket C . washer D . packing

A . Brown conical tower with white horizontal band in center of light on black pier B . Red conical tower on brown cylindrical pier C . White octagonal house on brown cylindrical pier D . White conical tower，with brown band midway of height

A . anchored B . underway but not fishing C . tending a small fishing boat D . fishing by trawling

A . special flashing light B . anchor light C . sternlight D . masthead light

A . flashes at regular intervals at a frequency of 120 flashes or more per minute B . is yellow in color C . is visible over an arc of the horizon of not less than 180°nor more than 225° D . All of the above

A . engaged in piloting B . towing astern C . engaged in fishing D . in distre

A . a junction with the preferred channel to the left B . a sharp turn in the channel to the right C . the starboard side of the channel D . a wreck to be left on the vessel's port side

A . engaged in underwater construction B . under sail and power C . a pilot vessel D . trawling

A . the intensity of the light B . checking the period and characteristics against the Light List C . the color，because the buoy will have only a red or a green light D . Any of the above can be used to identify the light

A . at an airport B . on a naval mine-countermeasures vessel C . Block Island North Light D . on a vessel engaged in public safety activity

A . restricted in her ability to maneuver B . not under command C . engaged in mineclearing operations D . constrained by her draft

A . Survey vessel B . Vessel not under command C . Vessel aground D . Pilot vessel with port side to you

A . Set B . Frequency C . Period D . Functio

A . Group flashing B . Composite group flashing C . Interrupted quick flashing D . Fixed and flashing

A . Luminous range B . Geographic range C . Nominal range D . Meteorological range

Fresh lemonade can be made by cutting a lemon in half and squeezing the juice into a cup. After the seeds are taken out, sugar and water are mixed in. One cup of lemon juice, One cup of sugar, and two quarts of water stirred together make good lemonade. There are even easier ways to get lemonade. One way is to buy lemonade powder. Then add the right amount of water. Another way is to buy cans of frozen lemonade and mix it with water. The easiest way of all is to buy and open a can of lemonade that is ready to drink, just like a can of juice. Lemonade is good for people. It has vitamin C. It keeps the body cool in summer. When served hot it can help a bad cold or a sore throat. Lemonade is not a new drink. It has been around for a long time. Some say it came from China. Others think it probably came from England or France. More than four hundred years ago an English doctor wrote about the good that lemonade can do for people. (1)、Lemonade is a (n) ______ drink. A.old B.popular C.nourishing D.A, B and C (2)、In order to make good lemonade with one cup of lemon juice, we should add to it ______. A.two spoons of sugar and two quarts of water B.one cup of sugar and two quarts of water C.one cup of sugar and one quart of water D.one spoon of sugar and one quart of water (3)、There are other easier ways to get lemonade, such as ______. A.to buy lemonade powder and boil it with water B.to go to department store C.to buy cans of boiled water D.to buy frozen lemonade and mix it with water (4)、Lemonade is not a new drink. It __________. A.appeared for a long time B.was brought by Chinese people C.has been around for several decades D.can help people recover from diseases (5)、We can infer from the passage that the writer__________. A. thinks it is a good drink B . is a lemonade manufacturer C . tries to convince people that it is good for them D . is a medical researcher