题目内容

Vitamin A can be found in fish and eggs.

A. Right
B. Wrong
C. Not mentioned

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Section A
Directions: In this section, there are 10 incomplete sentences. You are required to complete each one by deciding on the most appropriate word or words from the 4 choices marked A , B, C, and D.
If I had not studied hard, I ______ in the exam.

A. had failed
B. would failed
C. would have failed
D. have failed

海关在企业评定为AA类等级之前进行准入式稽查，验证企业是否符合海关管理要求，以确保AA类企业的进出口活动不脱离海关监管。 ()

A. 正确
B. 错误

A．She cannot read.B．Nobody can tell.C．She has no watch.D．She is too sorry.

A. She cannot read.
B. Nobody can tell.
C. She has no watch.
D. She is too sorry.

加工贸易工艺损耗是指因加工工艺原因，料件在正常加工过程中除净耗外所必须耗用，但不能存在或者转化到成品中的无形损耗的量。 ()

A. 正确
B. 错误