When using Form Based Authentication， which pair of fields must be used in the login form？（）
第1题：
When using slings，cargo handlers should take all the following precautions except ______．
A.Ensure that slings are securely fastened around the load
B.Avoid careless winch operations，especially when handling fragile cargo
C.Exercise care when using hooks，crowbars，and similar tools
D.Keep the loads as close to the rail or deck as possible
第2题：
The three main things that a learner has to acquire when learning a new structure are the form, meaning and（）of the structure.
use
略
第3题：
A.When using versions of Java technology earlier than 5.0.
B.When sharing a StringBuffer among multiple threads.
C.When using the java.io class StringBufferInputStream.
D.When you plan to reuse the StringBuffer to build more than one string.
第4题：
What are two steps that are taken when a router converts a voice signal from analog to digital form？（）
第5题：
Whichtwo scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object？（）
第6题：
第7题：
When you are designing a Web application， which options define how rich text displays in a browser？（）
第8题：
Which statement concerning the lashings of containers with solid bar or wire rope lashings is TRUE ________．
A.Stack weights should be less when using a solid bar lashing as compared to a wire lashing
B.Stack heights may be increased when using a solid bar lashing
C.Stack heights should be reduced when using a solid bar lashing
D.Solid bars should be used for lashing the first tier only，with wire lashings on the higher tier（s）
第9题：
Which two are true about authentication？（）
第10题：
Which of the following factors is the MOST important to consider when choosing an uninterruptible power supply （UPS） for a single server？ （）