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Thank you for your letter of April 15, ______(tell)us what really happened in the US on April 10．

A.
【参考答案】

telling
telling 解析：此题考查的是分词做状语。分词做状语时，分词和逻辑主语之间是主动关系用现在分......

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未知题型
The difference between a liquid and a gas is obvious【66】the conditions of temperature and pressure commonly found at the surface of the Earth. A liquid can be kept in an open container and f【67】it to the level of a free surfacE.A gas forms no free surface but tends to diffuse throughout the space available ; it must【68】be kept in a closed container, as in the【69】of a planet's atmospherE.The distinction was a prominent feature of early theories【70】(describe) the phases of matter. In the nineteenth century, for example, one theory maintained that a liquid could be 'dissolved' in a vapor without losing its identity, and another theory held that the two phases are made up of different kinds of molecules (分子). The theories now prevailing t【71】a quite different approach by emphasizing【72】liquids and gases have in common. They are both forms of matter【73】have no permanent structure, and they both flow easily. They are fluids.
The f【74】similarity of liquids and gases becomes clearly apparent when the temperature and pressure are raised somewhat. S【75】a closed container partially filled with a liquid is heateD.The liquid expands, or in other【76】, becomes less dense; some of it evaporates. In contrast, the vapor above the liquid surface becomes dense as the evaporated molecules are added【77】it. The combination of temperature and pressure【78】which the densities become equal is c【79】the critical point. Above the critical point the liquid and the gas can no longer be dis【80】; there is a single, undifferentiated fluid phase of uniform. density.
(71)
单项选择题
下列选项中，属于变压器油箱外故障的是______。
A、绕组的匝间短路
B、铁芯烧毁
C、套管上发生的接地短路
D、以上都不是
多项选择题
02-2 关于摄影欣赏，下列说法哪些是正确的？
A．摄影作品的审美价值只能在欣赏与批评者的接受过程中得到显现。
B．欣赏是一种审美但不是创作。
C．读懂摄影作品在于读懂拍摄者对景象、人物、事件的瞬间把握。
D．读懂摄影作品在于读懂照片诞生时作者经历的“深思熟虑”。
E．读懂从素材积累，到形象构思，再到具体拍摄和后期制作等
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