关于水泥混凝土面层摊铺施工的说法，错误的是()
A. 摊铺前应对基层表面进行风干处理，保持几层表面干燥
B. 摊铺过程中，间断时间应不大于混凝土的初凝时间
C. 每日工作结束后，施工缝应该设置在胀缝或缩缝处
D. 因机械故障或其他原因中断浇筑时，可设临时工作缝
_____ economically, one tin of oil will last at least three months.
A. To use
B. To be used
C. Using
D. Used
Human ________ is controlled by reason as well as instincts.
A. behavior
B. behave
C. belief
D. behaving
Human beings are different from animals _____ they can make use of languages.
A. whereas
B. in that
C. because of
D. consequently
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