You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel.You should（）...

第1题

[多选题] Which two statements are true about hierarchical architecture? （）(Choose two.)

A、You can assign a logical interface to multiple zones. B、You cannot assign a logical interface to multiple zones. C、You can assign a logical interface to multiple routing instances. D、You cannot assign a logical interface to multiple routing instances.

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第2题

[单选题] What are you going to do?（）

A、I'm planning to go to the cinema with my friend B、No, I'm not going to do it. C、Thank you for asking me about it. D、Yes, I'll go

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第3题

[单选题] You are about to enter a compartment to investigate a suspected smoldering fireIf youre not wearing a self-contained breathing apparatus, you should test the compartments atmosphere to determine if there is/are （）.

A、sufficient oxygen to sustain human life B、an explosive mixture in the compartment C、a toxic atmosphere in the compartment D、All of the above

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第4题

[单选题] There are several ways you can find out about the countries and places you wish to visit. You can talk to friends who have travelled to the places. Or you can go and see a colour film. Or you can read travel books. It would seem that there are three kinds of travel books. The first are those that give a personal, subjective (主观的) account of travels which the author has actually made himself, if they are informative and have a good index (索引), then they can be useful to you when you are planning your travels. The second kind are those books whose purpose is to give a purely objective (客观的)description of things to be done and seen. If a well-read, cultured person has written such a book, then it is even more useful. It can be sorted as a selected guide book. The third kind are those books which are called "a guide" to some place or other. If they are good, they will, in addition to their factual information, give an analysis or an explanation. Like the first

A、how to travel B、how to buy travel books C、how to read a travel book D、travel books

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第5题

[单选题] When you are firing a pyrotechnic distress signal，it should be aimed at（）.

A、straight overhead B、at the vessel whose attention you are trying to get C、into the wind D、about 60 degrees above the horizon

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第6题

[单选题] 欢迎你再到我们船上来。（）

A、You are welcome to look around our ship.. B、You are welcome to have a look our ship. C、You are welcome to come on board our ship again. D、You are welcome to visit our ship.

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第7题

[单选题] How do you do? Glad to meet you.（）

A、Fine. How are you? B、How do you do? Glad to meet you, too. C、How are you? Thank you! D、Nice. How are you?

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第8题

[单选题] At 0715 you take the following bearings: Race Rock Light 328°pgc; Little Gull Island Light 249°pgc; Mt. Prospect Antenna 036°pgc. Based on your 0715 fix，which statement is TRUE?（）

A、You are to the left of your track line B、Your fathometer reads about 265 fathoms C、You are in a cable area D、You are governed by the Inland Rules

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第9题

[] You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true?（） You are working on a 24X7 database. You want to design a backup strategy for your database that uses user managed backups. You want to be able to perform all backups while the database remains online. Which statement about performing user-managed backups in a 24x7 environment is true?（）

A、A. You must have change tracking enabled in your database B、B. Your database must be running in NOARCHIVELOG mode C、C. To back up a tablespace, it must be in backup mode D、D. To back up a tablespace, it must first be taken offline

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第10题

[简答题] 根据写作要求，写出一篇作文。 Suppose you are Simon. You purchased a Sony digital camera from Amazon.com and found that there were scratches on the screen. You are writing to complain about it.

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You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel.You should（）.

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