（）of this Deratting Exemption Certificate is hereby extended until 4th Oct.2008 as the vessel is laden with cargo．

检验检疫机构签发的产地证书是（）海关征收或减免关税的有效凭证。

My Deratization Exemption Certificate will become （）on the 16th of September.

设a=5，b=4，c=3，d=2，则表达式3＞2术b Or a=c And b＜＞c Or c＞d的值是

设a=5，b=4，c=3，d=2，下列表达式的值是 3＞2*b Or a=c And b＜＞C Or c＞d

Any friction fit, tightness or adhesion of the part of any load being lifted should be broken by wedge or tapping and not by increasing the load on the applianceAccording to this sentence, （）

（）of this deratting exemption certificate is hereby extended until 4th 0ct.1988 as the vessel is laden with cargo.

As mentioned above, C imposes relatively few built - in ways of doing things on the program- mer. Some common tasks, such as manipulating(66),(67), and doing(68)(I/O), are performed by calling on library functions. Other tasks which you might want to do, such as creating or listing directories, or interacting with a mouse, or displaying windows or other(69)elements, or doing color graphics, are not defined by the C language at all. You can do these things from a C program, of course, but you will be calling on services which are peculiar to your programming environment(70), processor, and operating system)and which are not defined by the C standard. Since this course is about portable C programming, it will also be steering clear of facilities not provided in all C environments.

Whenever visible traces of oil are observed on or below the surface of the water in the immediate vicinity of ship or its wake，Governments of Parties to the Convention should，to the extent they are reasonably able to do so，promptly（）the facts bearing on the issue of whether there has been a violation of the provisions of this Regulation or Regulation 10 of this Annex of MARPOL 73/78.

Which letter comes next in this series of letters?　　B A C B D C E D F ?

The（）may examine or re-examine the goods or take samples from them straightaway in the absence of the consignee or the consignor whenever it considers this necessary.

海关对进口货物凭出入境检验检疫机构签发的（）单据办理海关通关手续。