Another benefit of group activities is that professional guidance in the group can help cure obesity, diabetes, and arthritis.

A . digital codes B . code messages C . norse codes D . distress message

A . It avoids initialization on the first request. B . It provides the ability to debug runtime errors in the application. C . It provides better performance on the first request for the JSP page. D . It avoids execution of the _jspService method on the first request.

A . chmod +s /tmp B . chmod 755 /tmp C . chmod 1777 /tmp D . chmod 4755 /tm

A . ‘varyoffvg’ and ‘exportvg’ B . ‘varyofflv’ and ‘importvg’ C . ‘varyofflv’ and ‘migratepv’ D . ‘varyoffvg’ and ‘migratevg&rsquo

A . Criterion-referenced B . Norm-referenced C . Formative D . Summative

A . datavg is in an offline state. B . ‘lsvg -o’ only displays the root volume group. C . ‘lsvg -o’ only displays the fist volume group. D . datavg has no filesystems and therefore， is inactive.

A . DSC B . MSI C . EGC D . NBDP

A . Criterion-referenced B . Norm-referenced C . Formative D . Summative

A . TCP packet sizes can be optimized by the router so there is no IPSec or AAL5 padding. B . The local loop is a dedicated connection for a single subscriber to the DSLAM.  C . Access to the WAN media uses a poll/response mechanism so no two subscribers transmit at the same time.  D . There are no distance requirements from the Central Office (CO).&e

A . datavg is in an offline state. B . 'lsvg -o' only displays the root volume group. C . 'lsvg -o' only displays the fist volume group. D . datavg has no filesystems and therefore, is inactive.

A . allows cisco smart switches to be incorporated into the stack B . allows multiple switches to be managed as A single device. C . enables switches in multiple wring closets to provide failover for each other D . eliminates the need to purchase smartnet on individual switches in the stack

A .  The command fails unless you specify the FORCE option. B .  The command fails unless you specify the REUSE option. C .  The command must be reissued with a more specific discovery string. D .  The other disks， already part of the disk group，are ignored.

A . Broadcasts are not forwarded across the router. B . All broadcasts are completely eliminated. C . Adding a router to the network decreases latency. D . Filtering can occur based on Layer 3 information. E . Routers are more efficient than switches and will process the data more quickly. F . None of the above.

A . cpfs B . cplv C . mkfscopy D . migratepv

A . cpfs B . cplv C . mkfscopy D . migratepv

A . decreases the amount of flows   B . collects information about callers to agents   C . creates a framework for CRS Server status reporting  D . decreases latency through increased bandwidth on CRS Server   E . provides more efficient management of flows that are called by multiple other flow

A、Phosphoester bond B、 phosphodiester bond C、 Peptide bond D、Glycosidic bond E、Thioester bond

We believe, however, that some two thousand million years ago, another star wandering through space, happened to come near our sun. Just as the sun and the moon raise tides on the earth, so this star must have raised tides on the surface of the sun. But they were very different from the small tides that are raised in our oceans; a large tidal wave' must have travelled over the surface of the sun, at last forming a mountain so high that we cannot imagine it. As the cause of the disturbance (动荡) came nearer, so the mountain rose higher and higher. And before the star began to move away again, its tidal pull had become so powerful that this mountain was torn to pieces and threw off small parts of itself into space. These small pieces have been going round the sun ever since. They are the planets (行星). Millions of stars are______. A．following a regular path in space B．always travelling together C．seldom wandering about in the universe D．moving about without a fixed course

Using placebos to test drugs sometimes has a surprising result. Researchers say people taking the placebo often report improvements in their health. This is known as "the placebo effect"--pain that is eased or stopped by an inactive substance. In such testing, the drug must perform. better than the placebo to prove that it is effective. Doctors have reported that the placebo effect can be used in treatment. For example, a doctor tells a patient that a new drug will stop the pain in his leg. The pill is only sugar. But the patient does not know that. He takes the pill and says his pain is gone. Scientists are beginning to discover some physical reasons for this reaction in some people. They are learning that much of what people believe to be true comes from what the brain expects is going to happen. If the brain believes a drug will ease pain, the brain may begin physical changes in the body that can cause the expected effect. A recent examination of studies on drugs for depression found that placebos eased the depression about as well as the active drugs. Other studies have explored the power of placebos. A study in Japan involved thirteen people who reacted to the poison ivy (常青藤)plant. Poison-ivy causes red itchy sores(伤痕)on some people who touch it. Each person was rubbed on one arm with a harmless leaf, but was told it was poison ivy. Each person was then touched on the other arm with poison ivy, but was told it was a harmless leaf. All thirteen people developed a reaction on the arm where the harmless leaf touched their skin. Only two reacted to the poison ivy leaves. Doctors and scientists worry that the use of placebos may not always be harmless. They say people can become victims of false doctors and others who use placebos to claim they can cure disease. What do medical researchers usually use to make placebo pills？ A．Ivy leaves. B．Harmless leaves. C．Medicine being tested. D．sugar.

The charity group Plan International says 600 million Asian children are deprived of one of the seven basic needs used to define poverty, including food, safe water, shelter, health and education. And it says 350 million children, equivalent to the population of the European Union, are deprived of two or more basic needs, classifying them as absolutely poor. The group's executive director, Tom Miller, compares these figures to those of the victims from the earthquake and tsunami that devastated parts of southern Asia eight months ago. "Those numbers are absolutely staggering. The world has focused very much on Asia through the tsunami. But in many ways, what we're talking about is, this is a silent tsunami that is happening every single day." The group, basing its figures on United Nations statistics, says some Asian countries, like China and parts of Southeast Asia, have considerably reduced their numbers of poor children. But it says significant populations of poor people remain in isolated rural areas and among ethnic minorities. According to the news, which of the following is not among the basic needs used to define poverty？ A．food B．health C．education D．freedom

A.a universal culture B.cultural differences C.cultural universals D.a specific problem