Vessels required to be equipped with an ap

发布时间：2021-02-18 22:55 │ 来源：www.tikuol.com

题型：单项选择题

问题：

Vessels required to be equipped with an approved backfire flame arrester are（）.

A.those with diesel engines

B.all those with gasoline engines

C.those with large engines only

D.None of the above

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题型：单项选择题

解方程：3（

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左栏是五个人的情况简介，右栏是七条关于旅游的一些注意事项。请将这五个人与适合他们的信息匹配。

小题1:Kin is packing her suitcase. Her mother laughs at her and says that she doesn’t need to take so many things.
小题2:Sonia felt unhappy. She wanted to travel with her classmates. But her parents didn’t agree. They wanted to take her to visit her grandparents.
小题3:Kelsey argued with her boyfriend yesterday. Kelsey wanted to travel by air but her boyfriend oreferref to take the train. They had no idea about that.
小题4:Tim was excited because it was his first time to travel abroad. His parents were not so worried because the travel agency would take good care of their don.
小题5:Jane feels a little worried. She wants to drive her car to visit Tibet. She taked a map, a GPS and a laptop. She thinks they are all useful things.

A．Some students want to travel with their parents. But some would like to travel with their friends. Different pareners can bring you different enjoyment.

B．If you want to go on a trip, you need to get ready for your trip before you go. You must pack. When you pack, the less you take, the more freedom you’ll enjoy.

C．If you want a relaxing trip, if you don’t know more about the places you will visit, if you know nothing about the hotel, you’d better find a travel agency. The guide can help you solve all the problems.

D．When you go for a trip, you need to prepare some comfortable clothes or shoes. Of course, sneakers and sports shoes are popular.leather shoes are not your good choice.

E.In winter, Sanya is the best place for travelling. In summer, Kunming is the best place for traveling. In different seasons, people may want to visit different places.
F.When you go on a trip. It is necessary to take a map. Nowadays, some young people usually take their laptopso that they can easily find the information they need.
G.There are sevel different transportation means. If you want to save time for a long travel, airplanes may be your first choice.

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题型：单项选择题

肝硬化与缩窄性心包炎的水肿鉴别点是（）

A.有无肝肿大

B.有无腹水

C.有无颈静脉怒张

D.有无肝功能异常

E.有无下肢水肿

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题型：单项选择题

螺杆式压缩机最常用的能量调节方法采用（）。

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题型：单项选择题

可计入的预期现金流入总量不得超过预期现金流出总量的（）。

A.0.15

B.50%

C.75%

D.85%

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