[多项选择]Technology: how to ensure that technology is used effectively in a company

[简答题]{{B}}Technology: how to ensure that technology is used effectively in a company{{/B}}

[填空题]Communications technology was used on ocean expedition at the launching of Ronald H. Brown.

[单项选择]

Circuit-switching technology is used in Publish Switched Telephone Network(PSTN), Global System for Mobile Communications(GSM) and code Division Multiple Access (CMDA) . It is a（） information transfer mode.

A. connection oriented
B. connectionless
C. high bandwidth utilization
D. poor real-time

[填空题]GM technology is only used on crop plants.

[单项选择]

Infrared Scanning Technology

How do we get more young people to increase their consumption of iron-rich foods Many nutritionists are advocating the fortification of a number of foods. This may help, but I contend that we should also intensify our efforts in nutrition education among our young people. I simply do not believe the argument that it is futile (徒劳的) to try to change eating habits. Once an intelligent person--and this includes adolescents--understands the need for a healthy diet, I think he 6r she will act accordingly. As for specific actions: I suggest that blood hemoglobin (血红蛋白) should be checked as a routine part of a youngster’s yearly physical. It should contain at least 11 grams per 100 milliliters of blood for a girl and at least 12 grams for a boy. If it is any lower, the physician probably will prescribe an easily absorbed iron supplement.
Adolescents--and everyone else--should cut out highly proce
A. the importance of diet
B. the need of iron
C. adolescents’ eating habits
D. blood hemoglobin

[简答题] Human cloning (克隆) technology could be used to reverse heart attacks. Scientists believe that they may be able to treat heart attack victims by cloning their healthy heart cells and injecting them into the areas of the heart that have been damaged, and other problems may be solved if human cloning and its technology are not forbidden. With cloning, infertile couples could have children. Current treatments for infertility, in terms of percentages (百分比 ) , are not very successful. Couples go through physically and emotionally painful procedures for a small chance of having children. Many couples run out of time and money without successfully having children. Human cloning could make it possible for many more infertile couples to have children than ever before. We should be able to clone the bone marrow (骨髓) for children and adults suffering from leukemia (白血病). This is expected to be one of the first benefits to come from cloning technology. We may learn how to s

[单项选择]How was the weight used
A. To check the accuracy of scales.
B. To calculate the density of other metals.
C. To observe changes in the atmosphere.
D. To measure amounts of rainfall.