An aneroid barometer is an instrument ______.A.used to measure the speed of windB.in which the pressure of air is measuredC.that tells which direction a storm is coming fromD.used to measure the height of waves

The main function of a processor is to(68)and carry out instructions which usually consist of operation and(69). The term to measure the speed of the processor is called a Megahertz(MHz), which means million(70)per second.

A．translate

B．interpret

C．describe

D．store

The purpose of the "set" hand on an aneroid barometer is to ______.

A.adjust the barometer

B.indicate any change in the reading of the barometer

C.provide a correction for height above sea level

D.provide a correction for temperature changes

听力原文：M: If an instrument is payable to the order of both A and B who are not partners, what should they do?

W: Both of them must endorse, unless one has authority to endorse for the other.

Q: Which of the following is not right according to the woman?

(18)

A．Both endorse the instrument.

B．Neither of them endorses the instrument.

C．A authorizes B to endorse the instrument.

D．B authorizes A to endorse the instrument.

You are located within a stationary high pressure area．Your aneroid barometer is falling very slowly．This indicates a（n）______．

A.Wind shift of 180°

B.Large increase in wind velocity

C.Decrease in the intensity of the system

D.Increase in the intensity of the system

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

A mercurial barometer at sea is subject to rapid variations in height ("pumping") due to the pitch and roll of the vessel. To avoid this error，measurements of atmospheric pressure at sea are usually measured with a(n) ______.

A.syphon barometer

B.cistern barometer

C.aneroid barometer

D.fortin barometer

Can you measure oil level? Which method is right, to measure ullage height or to measure oil depth?