问题
单项选择题
| 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．in addition
B．as well
C．as well as
D．moreover
答案
参考答案：C
解析：从句子结构看，本题要求填入—个连接名词短语的连接词或词组，四个选项中，A项in addition“而且”和D项moreover“此外”都为副词，不能连接两个并列的成分。B项as well“也”必须与as连用，由于句子中前半部分的and连接的是painstaking skill和artistry，并不是与as well连用，故不能选B。正确答案为C，as well as相当于and。