A technique that can be used to measure the total income of a project compared to the total moneys expended at any period of time is:

Before welding can be done in a tank that has carried petroleum products，a certificate must be obtained from（）.

The smallest size of flaw that can be detected on a radiograph examination of a weld will be indicated by the（）.

The Navigation Rules state that a vessel shall be operated at a safe speed at all times so that she can be stopped within（）.

Which of these technologies is characterized as being a multipoint Layer 2 VPN that connects twoor more customer devices using Ethernet bridging techniques？（）

Which of these technologies is characterized as being a multipoint Layer 2 VPN that connects two or more customer devices using Ethernet bridging techniques?（）

What are two security appliances that can be installed in a network?（）

She has proved that she can be railed on in a crisis.

Information,in its most restricted technical sense,is a seque of symbols that can be interpreted as a message.ingormation can be recorded as signs,or transmitted as（）

It is desirable that a certain method within a certain class can only be accessed by classes that are defined within the same package as the class of the method. How can such restrictions be enforced？（）  

A fairly accurate estimation of a ship’s position can be calculated by a technique known as（）.

What are two security appliances that can be installed in a network (Choose two.)（）。

 The（）technique involves using project characteristics in a mathematical model to predict total project cost. Models can be simple or complex.

Noise is a systematic error that can be reduced by signal processing.

What is the definition of scanning?Scanning is a technique that can help you quickly gain ______ from a book, magazine, newspaper or website without having to read every word.

Radiocarbon dating techniques can be used to identify the age of the earth．

CAN ANIMALS BE MADE TO WORK FOR US？ Can animals be made to work for us？ Some scientists think that one day animals may be trained to do a number of simple jobs that are now done by human beings. The

During our lives all of us are exposed to the possibility of a variety of risk events such as: work accidents, major illness, death, etc. If our finances are vulnerable to the consequences of a risk event, it would be wise to protect ourselves and our dependents against those consequences. This can be done in a number of ways, from taking steps to ensure that we are not endangered to purchasing insurance that would compensate for the financial consequences of the risk event occurring.

听力原文：Woman：Yes，the year has flown and it is that time once again!The Annual Dinner and I~nce will be held in the Dynasty Suite at the Shangri La Hotel on 17 December from 7:30 P．m untillate．As usual there will be a 10-course Chinese dinner，and special requirements can，of course，be catered for．And Carmen Fashions will be entertaining us with a fashion show as we eat．

Mr. Mufti always_______ us that a seemingly slight matter can have a significant impact on the total status of our division.

It can be concluded from the text that dreams offer us the potential to ______.

Feelings of love may wax and wane during a relationship, but trust is constant. Infidelity is the most devastating betrayal of trust a couple can experience. That survey found that when one partner had sex outside the relationship, the couple were more likely to break up. Even a little bit of infidelity can set forces in motion that eventually wrech a marriage. Only when we trust our lover to be faithful and know that he or she can trust us do we fell comfortable and at peace with our own conduct and our relationship.

It can be inferred that a concierge mother will ________（）