在职攻硕英语易错题（2019/4/30）

在职攻硕英语易错题（2019/4/30）

Artificial flowers are used for scientific as Well as for decorative purposes. They are made from{{U}} (51) {{/U}}of materials, such as wax and glass, so skillfully that they can scarcely be{{U}} (52) {{/U}}from natural flowers. In making such models, painstaking skill and artistry are called for,{{U}} (53) {{/U}}thorough knowledge of plant structure. The{{U}} (54) {{/U}}of glass flowers in theBotanical Museum of Harvard University is the most famous in NorthAmerica and is widely known{{U}} (55) {{/U}}the scientific world{{U}}. (56) {{/U}}, there are several thousand models in colored glass, the work of two artist naturalists, LeopoldBlalschka and his son Rudolph.
The intention was to have the collection{{U}} (57) {{/U}}at least one member of each flower family native to the United States.{{U}} (58) {{/U}}it was never completed, it contains more than seven hundred species representing 164 families of flowering plants.{{U}} (59) {{/U}}detail of these is accurately reproduced in color and structure. The models are{{U}} (60) {{/U}}n locked cases as they are too valuable and fragile for classroom use.

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