Cirrus clouds are composed primarily of（）.

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• In many areas “atoll” clouds (clouds of vertical development) are produced over small islands. These are the result of（）.

  A . rising air currents produced by the warm islands B . warm air from the sea rising over higher land areas C . cool land air mixing with warm sea air D . descending air over the island

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• Clouds appearing in the following order: cirrus，cirrostratus，altostratus，stratus，and nimbostratus usually indicate the approach of a(n)（）.

  A . warm front B . occluded front C . medium front D . cold front

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• Which four service offerings are included in Oracle Public Cloud?（）

  A .  Database Service B .  Data Service C .  Java Service D .  Security Service E .  .NET Service F .  SOA Service

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• Altocumulus clouds are defined as（）.

  A . high clouds B . middle clouds C . low clouds D . vertical development cloud

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• High clouds，composed of small white flakes or scaly globular masses，and often banded together to form a mackerel sky，would be classified as（）.

  A . cirrus B . cirrocumulus C . altostratus D . cumulonimbu

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• Cirrus clouds followed by cirrostratus then altostratus，stratus，and occasionally nimbostratus indicate the approach of a(n)（）.

  A . cold front B . warm front C . tropical front D . occluded front

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• The eye of a hurricane is surrounded by dense black cumulonimbus clouds which are called the（）.

  A . Wall cloud B . Nimbostratus cloud C . Bar D . Funnel

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• Clouds are classified according to their（）.

  A . size B . moisture content C . altitude and how they were formed D . location in a front

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• All of the following are associated with cumulonimbus clouds EXCEPT（）.

  A . steady rainfall B . hail storms C . thunderstorms D . tornadoes or waterspout

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• A line of clouds，sharp changes in wind direction，and squalls are most frequently associated with a(n)（）.

  A . occluded front B . warm front C . cold front D . warm sector

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• A cloud sequence of cirrus，cirrostratus，and altostratus clouds followed by rain usually signifies the approach of a(n)（）.

  A . occluded front B . stationary front C . warm front D . cold front

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• Clouds that form as small white flakes or scaly globular masses covering either small or large portions of the sky are（）.

  A . cirrus B . cirrostratus C . altostratus D . cirrocumulu

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• 105. Clouds are classified according to their ______.

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• Clouds appearing in the following order: cirrus, cirrostratus, altostratus, stratus, and nimbostratus usually indicate the approach of a(n) ______.

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• Gardens are composed of the following elements（ ）

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• Clouds that form. as small white flakes or scaly globular masses covering either small or large portions of the sky are ().

  A.Cirrus B.Cirrostratus C.Altostratus D.Cirrocumulus

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• Its values are composed of component elements that are related to some structure.上述句子的准确含义是:

  A．它的价值由部件元素组成,这些元素与一些结构相关。 B．它的值是由与某种结构相关的组件元素所组成。 C．它的价值由一些元素构成,这些元素与某些结构有关。 D．它的值由一些部分构成,与一些构造相同。

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• It is going to rain soon, as there are dark clouds _________ our heads.

  A、on B、beyond C、far from D、over

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• The local groups are composed of______.

  A．representatives from governments, embassies, leading newspapers, etc B．special people who know the prisoners and their families C．normal people who have the same views as Amnesty International D．members of prisoners' friends or families

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• What are the ideal conditions for creating clouds？

  A．The temperature is as low as minus 235 degrees Fahrenheit. B．The air is a million times drier than that of Sahara. C．Extremely dry air and low enough temperature. D．A mild climate and the build-up of carbon dioxide.

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• Elephants are perhaps the only animals that are hunted for their teeth. Elephant tusks, or very large teeth growing on either side of their mouths, are composed of a valuable material called ivory(象牙).

  (78) An elephant uses its long, pointed tusks as tools for digging in the ground for food. He also uses them as weapons in combat. The tusks of male elephants are usually large and heavy. In Africa, female elephants have long, light tusks. In India and other parts of southern Asia, female elephants have small, short tusks or none at all. (79) Tusks in good condition are in great demand, and may sell for as high as two thousand dollars or more. Because of this, large numbers of elephants have been killed. Some countries have initiated (开始) methods to protect elephants. They have established elephant preserves, areas of land set aside for herds of elephants where no one is allowed to harm them. Elephants on the preserves are safe from ivory hunters. Female elephants in India and southern Asia have ______ . A．large and heavy tusks B．small, short tusks or none at all C．small and heavy tusks D．long, light tusks

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• Integrated marketing communications are composed of all of the following EXCEPT:

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• What are these three fields in “Devouring Music: Ruminations of a Composer Who Cooks” by Professor Hamlin？

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• （） is composed of letters, symbols, and numerals that are not used in arithmetic operations

  A．digital data B．Analog data C．Character data D．Numerical data

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