Candies may be made by (repeatedly dipping) wicks in tallow, by molding, (nor) by pouring (melted wax) over the wicks and rolling them (into) shape.（）
A. repeatedly dipping
B. nor
C. melted wax
D. into
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心理活动的内在一致性是指( )。
A. 知、情、意之间保持协调
B. 个体经验系统层次清晰、运用得当
C. 合理运用以往经验处理当前的事务
D. 能正确认识现实和适应环境
According to the passage, which of the following activities is characteristic of the early part of the reproductive cycle of birds（）
A. Selecting a mate
B. Collecting nest-building, materials
C. Playing with nest-building materials
D. Building a nest
（） crumbles readily when exposed to a moist, acid atmosphere, but the stone is durable in a dry atmosphere.
A. The surface of marble is
B. The surface of marble, which
C. Although the surface of marble
D. The surface of marble
The main point of the passage is that the eighteenth and nineteenth centuries were a time when（）
A. the European textile industry increased its demand for American export products
B. mechanization of spinning and weaving dramatically changed the textile industry
C. cotton became a profitable crop but was still time-consuming to process
D. cotton became the most important American export product
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