A major advantage of the NAVTEX system whe

发布时间：2018-03-29 02:13 │ 来源：www.tikuol.com

题型：单项选择题

问题：

A major advantage of the NAVTEX system when compared to other systems is that（）.

A.the information can be received on an ordinary FM radio

B.warnings are printed out for reading when convenient

C.broadcasts are at scheduled times

D.a low frequency band is used for long distance transmission

考点：航海英语 GMDSS GMDSS题库

题型：单项选择题

选词填空。用方框中所给词的适当形式填空，使短文完整、正确、通顺。(每个词限用一次)。

worry about, so, either, sit down, arrive home, by air, like, him, bring, a little

    Allan was worried. This was his first time to go travelling     1   . He did not know how to find his seat.
    2   he went to the air hostess (空姐) and asked, "Could you help me? I can't find my seat." The air hostess
showed    3   the seat and told him    4   and fasten the seat belt (系牢安全带). She told Allan not to move
about when the plane was going up. And she also said that Allan's ears might feel    5 strange, but he didn't
need to    6 it because many people felt    7   that. When the plane was flying very high. Allan could stand
up and walk round. He could    8   read books, newspapers or see films. The air hostess would    9 food and
drinks. Allan could enjoy the flight and    10   soon.
1. _________ 2. _________ 3. _________ 4. _________ 5. _________
6. _________ 7. _________ 8. _________ 9. _________ 10. _________

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A.HBV

B.HPV

C.HIV

D.HTLV

E.EBV

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A.伸指、伸拇、伸腕障碍

B.手掌桡侧感觉障碍

C.手指内收、外展障碍

D.对掌功能障碍

E.前臂旋前障碍

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简述射频识别系统的构成及各组成部分的作用。

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