题目内容

Fusesplacedinserieswithathermaltrip-typecircuitbreakerareusedfor().

A. time-delayprotection
B. short-circuitprotection
C. shortdurationsurgeprotection
D. sustainedoverloadprotection

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TheShipowner()thattheshipshallproceedonthevoyagewithreasonabledespatch.

A. contains
B. occurs
C. encounters
D. undertakes

TheShipownercan,however,exempthimselffromliabilityfor(),butifhewishestodoso,hemustuseclearandunambiguouslanguage.

A. seaworthy
B. seaworthiness
C. unseaworthy
D. unseaworthiness

关于《庄子》的说法,下列哪一项是不正确的?()

A. 庄子,名周,宋国蒙人
B. 此书是庄周和他的门徒以及后学著述的总集
C. 此书现存三十三篇,分为内篇和外篇两个部分
D. 鲁迅评价说“汪洋辟阖,仪态万方”

Sincefuseelementsaremadeofzincoranyalloyoftinandlead,themeltingpointofthefuseelementmustbe().

A. higherthanthatofcopper
B. lowerthanthatofcopper
C. equaltothatofcopper
D. reachedwhentheconductoritisprotectingbecomes"whitehot"

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