The foremost part of the upper deck is called the（）.
A. forecastle
B. tweendeck
C. hatches
D. peak tank
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Which of the following statements about MD5 Routing Updates authentication is valid？ （）
A. The MD5 algorithm inputs the routing updates of arbitrary length and outputs a 128-bit hash
B. The MD5 algorithm inputs the routing updates of every 64bit length and outputs an 8-bit hash
C. Multiple keys are supported
D. Routing updates packets are delivered in encrypted messages
E. Shared secret keys are delivered in encrypted message
SF3102电动轮在（）时，使用非常电制动。
A. 紧急情况
B. 运行
C. 刹车
D. 牵引
国际联运货物运单应严格按照“国际货协运单填写说明”填写。
A. 正确
B. 错误
勒韦认为，语言的产生包括语义、句法、构词法和语音四种不同的加工水平。
A. 正确
B. 错误
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