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【单选题】
依据《工程监理企业资质管理规定》，具有专业乙级资质的工程监理企业，可以承担（ ）建设工程项目的监理业务。A.
所有专业类别三级以下（含三级）
B.
相应专业类别三级以下（含三级）
C.
相应专业类别二级以下（含二级）
D.
所有专业类别二级以下（含二级）
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皮皮学刷刷变学霸
举一反三
【单选题】From which poem are these lines taken? "Yet this enjoys before it woo, And pamper'd swells with one blood made of two; And this, alas! is more than we would do."
A.
"The Flea"
B.
"The Canonization"
C.
"The Ecstasy"
D.
"The Sun Rising"
【单选题】A recent article suggests that the introduction of the new iPhone 5 increased the demand for iPhone protective cases. The article suggests that these two goods are (最近的一篇文章表明,推出新的iPhone 5增加了对iPhone保护...
A.
substitutes and their indifference curves are close to being straight lines.替代品及其无差异曲线接近于直线。
B.
complements and their indifference curves are close to being straight lines.补充和他们的无差异曲线接近直线。
C.
substitutes and their indifference curves are close to being L shaped.替代品和他们的无差异曲线接近于L形。
D.
complements and their indifference curves are close to being L shaped.补充和他们的无差异曲线接近L形。
【多选题】下列有关蛋白质变性的叙述哪些是正确的?
A.
变性后的蛋白质次级键断裂
B.
变性蛋白质是空间结构被破坏
C.
变性后蛋白质的最主要特点是生物学活性丧失
D.
变性后蛋白质溶液黏度降低
E.
变性后的蛋白质难以被蛋白酶水解消化
【单选题】Two equal magnitude forces are in opposite directions and their lines of action are separated by distance d. These two forces are applied to a solid disk, which is mounted on a frictionless axle. If d...
A.
One force on a line touching the circumference of the disk, the other on a line halfway to the center.
B.
One force on a line at a distance d from the center and the other on a line through the center of the disk.
C.
One force on a line at a distance d/2 from the center of the disk, and the other on a line at a distance d/2 on the opposite side of the center of the disk.
D.
Since all the other orientations give the same torque, choose this answer.
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