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狗猫是华支睾吸虫的

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施工时，为了保证按配合比投料，要对混凝土试验室配合比进行修正，主要是修正()。

A. 水泥用量
B. 砂石含水率
C. 施工配合比
D. 混凝土强度

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带土壤的植物繁殖材料在进境前20—45日办理备案。()

A. 正确
B. 错误

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You are the administrator of a SQL Server 2000 computer. The server contains a database named Accounting. The data files are configured as shown in the exhibit.
The database has grown to 7 GB. The server has no more available disk space. You need to make more disk space available in the accounting database without affecting system performance.
What should you do？

A. Compress drive E.
B. Add a new hard disk to the server. Create a new file on the new hard disk as part of the PRIMARY filegroup.
C. Add a new hard disk to the server. Create a new file on the new hard disk as part of a new filegroup.
D. Map a network drive to the server. Create a new data file on the network drive as part of the PRIMARY filegroup.
E. Map a network drive on the server. Create a new data file on the network drive as part of a new filegroup.

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目前，根据国家规定以及国家环保部门的要求，出入境检验检疫机构对进口再生物资(俗称废料)实施的是境外检验。()

A. 正确
B. 错误

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