海船船员考试
单选题Which instrument is used to predict the approach of a low pressure system（）.A AnemometerB FathometerC BarometerD Thermometer
题目
Anemometer
Fathometer
Barometer
Thermometer
相似问题和答案
第1题：
A. only the low-order 23 bits of the MAC address are used to map IP addresses
B. only the low-order 24 bits of the MAC address are used to map IP addresses
C. only the high-order 23 bits of the MAC address are used to map IP addresses
D. only the low-order 23 bits of the IP address are used to map MAC addresses
E. the 0x01004f MAC address prefix is used for mapping IP addresses to MAC addresses
F. the 0x01005e MAC address prefix is used for mapping IP addresses to MAC addresses
第2题：
The datum from which the predicted heights of tides are reckoned in the tide tables is ______.
A.mean low water
B.the same as that used for the charts of the locality
C.the highest possible level
D.given in table three of the tide tables
第3题：
The term foreign exchange is best defined by the following statement: it is ______.
A．the rate of exchange between two currencies
B．synonymous with currency exchange
C．the place in which foreign currencies are exchanged
D．an instrument such as paper currency, note, and check used to make payments between countries
解析：外汇通常指以外国货币表示的可用于国际结算的各种支付手段，包括纸币、支票、票据等。the rate of exchange between two currencies两国货币的汇率。synonymous with currency exchange与货币兑换率含义相同。
第4题：
An AIX system administrator wants to reset the level at which the SIGDANGER signal is sent to processes so appropriate actions can be taken when paging space is running low. Which of the following commands is used to reset the level？（）
- A、 vmtune -w
- B、 svmon -w
- C、 schedtune -w
- D、 vmstat -s
正确答案:A
第5题：
An aneroid barometer is an instrument ______.
A.used to measure the speed of wind
B.in which the pressure of air is measured
C.that tells which direction a storm is coming from
D.used to measure the height of waves
无液[空盒]气压表是测量空气压力的一种仪器。
第6题：
A sling psychrometer is a(n) ______.
A.type of cargo gear
B.instrument used in celestial navigation
C.instrument used to measure relative humidity
D.instrument used to measure specific gravity
第7题：
A barometer showing falling pressure indicates the approach of a ______.
A.high pressure system
B.low pressure system
C.high dew point
D.low dew point
气压计显示气压下降，表示低气压临近。
第8题：
refers to the parts of the computer that you can ,see and touch. It is used for the purpose of(69).
A．Software
B．Hardware
C．Hardship
D．Instrument
解析：计算机硬件是指计算机系统中可见、可触摸的组成部件。
第9题：
The（）approach to language study is concerned with language as an instrument of social interaction rather than as a system that is viewed in isolation.
functional
略
第10题：
Which statement describes the significance of the CHANGE FAILURE command in RMAN？（）
- A、 It is used to change failure priority only for HIGH or LOW priorities.
- B、 It is used to execute the advised repair script.
- C、 It is used to change failure priority only for the CRITICAL priority.
- D、 It is used to explicitly close the open failures.
- E、 It is used to inform the database about the repair after the repair script executes.
正确答案:A,D