职称英语考试

【单选题】
阅读下面的短文，文中有15处空白，每处空白给出4个选项。请根据短文的内容，从4个选项中选择1个最佳答案。

Since about 1800, near the beginning of the Industrial Revolution, coal, petroleum, and gas have been used at a rapidly increasing rate. The supply of these {{U}} (51) {{/U}} is limited, and electric power is very scarce in many places. Some scientists believe solar energy is the only {{U}} (52) {{/U}} which can meet the world’s enormous {{U}} (53) {{/U}} for power. Great progress had been made in harnessing the sun. Not {{U}} (54) {{/U}} is the sun now used in cooking, but it also supplies power for {{U}} (55) {{/U}} things as beacon lights for ships and airplanes. It operates telephone lines, portable radios, electric clocks, hearing aids, and {{U}} (56) {{/U}} communication satellites. Some homes and office buildings in the United States are now being {{U}} (57) {{/U}} with solar energy.
The three most significant types of solar equipment so {{U}} (58) {{/U}} are the furnace, the still, and the cell. Solar furnaces heat water or air, {{U}} (59) {{/U}} is then circulated through a building to make it comfortable. Solar stills are {{U}} (60) {{/U}} important because they can provide {{U}} (61) {{/U}} water at a relatively cheap rate. Salt can be easily removed from sea water with a solar still.
The most highly developed is the solar cell. Some cells are so {{U}} (62) {{/U}} that they can turn 16 percent of the energy they received from the sun into electric energy. One of the cell’s biggest advantages is {{U}} (63) {{/U}} it can be made either small enough to carry {{U}} (64) {{/U}} large enough to produce a current that can run an automobile.Besides, it has a very long life. It is still too expensive for the average consumer.But when ways are {{U}} (65) {{/U}} to produce it more cheaply, we can expect its use to be widespreaD、

A．heated
B．burnt
C．equipped
D．built

网考网参考答案：A
网考网解析：
在下一段中出现heat一词，由此可以判断此处应填heated即“用太阳能来供暖”。C．be equipped with意为“以……装备”，D．be built with意为“以……建造”。 document.getElementById("warp").style.display="none"; document.getElementById("content").style.display="block"; 查看试题解析出处>>