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D American Watersports Tuesday-Saturday Located on the beach of the Sea Gardens Beach Resort, there are fun things to rent for the whole family. They offer rentals for kayaks, jetskis, and even parasails! Enjoy the water upclose or from a bird’s eye view! No matter what activity you’re enjoying, be sure to protect yourself and your family from the sun’s powerful rays and apply plenty of sun block! 15th Street Boat Company Monday-Saturday 15th Street Boat Company offers rental boats of all kinds. They’re sure to have what you are looking for, whether it’s a small boat for a quick and simple outing or a luxurious boat with comfortable seats with a stereo(立体声)and high tech navigation(导航). You can rent a boat for half a day, a couple days, or even weeks at a time. If you want it, they’ve got it. It’s fun for everyone! Coconut’s Watersports 9a.m.-5p.m. Monday through Sunday Coconut’s Water sports is open 7days a week for your convenience and offers tons of water fun for the whole family. Jet ski activities last 30 minutes or 1hour and can make stops along the way. You must be at least 14years of age to ride alone and can be as young as 3 to ride along with an adult. Everybody is required to wear a life jacket and a license is required to operate the jet ski. Bathing suits and shorts are recommended. Jet Ski Tours of Miami Thursday- Sunday 10 a.m.-7p.m Jet Ski Tours of Miami includes onsite parking, indoor restrooms, lockers, and life jackets for participants. You may choose a one or two hour tour and each jet ski can hold up to 3 people. You must be at least 18 years old in order to ride. As long as you are accompanied by an adult, there is no age limitation for any passenger. There is a restaurant nearby to eat at. The tour visits 6 different islands and passes by Bayside and Hard Rock. You may even catch a glimpse of dolphins playing or a manatee resting in these fabulous Florida waters. 68. What activity is convenient for the visitors to have lunch? A. Jet Ski Tours of Miami           B. Coconut’s Watersports C. 15th Street Boat Company        D. American Watersports 69. To satisfy your son’s curiosity about marine animals, you_________. A. will rent a boat to ride with him B. prefer a high-living boat with comfortable seats with a stereo C. would like to prefer American Watersports to Florida waters D. can choose the tour to Bayside and Hard Rock 70. If you like to sail a boat, you can_________. A. go to the Sea Gardens Beach Resort     B. visit 15th Street Boat Company C. choose Jet Ski Tours of Miami          D. go to Coconut’s Watersports 71. To ride alone in the jet ski activities, _________. A. you have to be at least 14 years old     B. you can choose to wear a life jacket or not C. you must be over 18 years old         D. you have to be with parents
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【单选题】下列有关溶液的说法错误的是(  )
A.
碘酒中的溶剂是酒精
B.
饱和溶液一定是浓溶液
C.
改变条件,饱和溶液与不饱和溶液可以相互转化
D.
析出晶体后的溶液是该温度下的饱和溶液
【简答题】生产布料的车间用下图所示的装置来检测和控制布料卷取过程中的松紧和张紧力的晨读,请分析后填空。 1.当卷取辊转动太快时,布料的张力将()(变紧或变松),导致张力辊向()(上或下)位移,使差动变压器的衔铁不再处于中间位置,差动变压器下面的线圈N21与N1之间的互感量M1线圈中的衔铁()(增加或减少),上面线圈N22与N1的互感量M2衔铁()(增加或减少)。
【单选题】船长小于多少米的在航机动船, 当其最高船速不超过多少节可用一盏白灯代替其它号灯:
A.
20; 7
B.
12; 10
C.
7; 7
D.
7; l0
【简答题】生产布料的车间用下图来检测和控制布料卷取过程中的松紧程度。请分析填空。 当卷取辊转动太快时,布料的张力将()(增大/减小)。导致张力辊向 () (上/下)位移。使差动变压器的衔铁不再处于中间位置。N21与N1之间的互感量M1 () (增加/减小),N22与N1的互感量M2减小。因此U21 () (增大/减小),U22减小,经差动检波之后的U0为 () (负/正)值,去控制伺服电动机,使它的转速变 ...
【判断题】现今流行的六大茶类都是在唐朝基本形成的。( )
A.
正确
B.
错误
【单选题】下列溶液中水不是溶剂的是 [     ]
A.
稀硫酸
B.
医用酒精
C.
浓盐酸
D.
碘酒溶液
【单选题】船长小于多少米的在航机动船,当其最高船速不超过多少节可用一盏白灯代替其它号灯:
A.
20;7
B.
12;10
C.
7;7
D.
7;10
【单选题】船长小于多少米的在航机动船,当其最高船速不超过7节时可用一盏白灯代替其他号灯____。
A.
20米
B.
12米
C.
7米
D.
51米
【单选题】船长小于多少米的在航机动船,当其最高船速不超过多少节时可用一盏白灯代替其他号灯____。
A.
20米、7节
B.
12米、10节
C.
7米、7节
D.
7米、10节
【简答题】生产布料的车间用下图所示的装置来检测和控制布料卷取过程中的松紧程度。 当卷取辊转动太快时,布料的张力将 ______ (增大 / 减小)。导致张力辊向 (上 / 下)位移。使差动变压器的衔铁不再处于中间位置。 N21 与 N1 之间的互感量 M1 , N22 与 N1 的互感量 M2 ____ (增大 / 减小)。因此 U21 , U22 (增大 / 减小),经差动检波之后的 U0 为 (正 / ...
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