问题
选择题
节能减排与我们的生活息息相关，参与节能减排是每一位公民应尽的义务。下列举措不符合这一要求的是 （ ）
A．房屋装修中尽量增加钢材、铝型材和木材使用量
B．提高原子利用率，发展绿色化学
C．发展氢能和太阳能
D．洗涤衣物时合理使用无磷洗衣粉等洗涤剂
答案
答案：A
使用大量的钢材、铝材，这些金属在冶炼过程中消耗大量的能量。
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节能减排与我们的生活息息相关，参与节能减排是每一位公民应尽的义务。下列举措不符合这一要求的是 （ ）
A．房屋装修中尽量增加钢材、铝型材和木材使用量
B．提高原子利用率，发展绿色化学
C．发展氢能和太阳能
D．洗涤衣物时合理使用无磷洗衣粉等洗涤剂
答案：A
使用大量的钢材、铝材，这些金属在冶炼过程中消耗大量的能量。
| Artificial flowers are used for scientific as Well as for decorative purposes. They are made from (51) of materials, such as wax and glass, so skillfully that they can scarcely be (52) from natural flowers. In making such models, painstaking skill and artistry are called for, (53) thorough knowledge of plant structure. The (54) of glass flowers in the Botanical Museum of Harvard University is the most famous in North America and is widely known (55) the scientific world. (56) , there are several thousand models in colored glass, the work of two artist naturalists, Leopold Blalschka and his son Rudolph. The intention was to have the collection (57) at least one member of each flower family native to the United States. (58) it was never completed, it contains more than seven hundred species representing 164 families of flowering plants. (59) detail of these is accurately reproduced in color and structure. The models are (60) n locked cases as they are too valuable and fragile for classroom use. |
A．sustained
B．maintained
C．kept
D．concealed