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【判断题】
国家标准是最高级别标准，企业标准技术指标不得低于国家标准。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】Who can apply for a senior post in a municipal library?
A.
Someone who has spent two years at a library school.
B.
A university graduate, who talks softly and reads a lot of books.
C.
Someone who has passed an examination and is rather old.
D.
Someone who has trained as a librarian and has previously worked in a library.
【单选题】If I ______ out of ink, I would have finished writing the paper.
A.
shouldn't run
B.
haven't run
C.
hadn't run
D.
didn't run
【判断题】一般来说,表面柔软、塑性好、涩性大的米粒,应用摩擦擦离碾白的效果比较好。而对于米粒表皮干硬、塑性差的米粒,用摩擦擦离碾白的方法,碾白效果差些。( )
A.
正确
B.
错误
【简答题】根据提单上有无对货物外表状况的不良批注,提单可分为
【简答题】Notting hill is a small town west of London. Here lives shy William, a divorced（离婚） man, who owns a little travel-book store. It was a Wednesday, when the poor shop keeper happened to meet Anna Scot...
【单选题】If I _____out of my ink, I would have finished writing the paper.
A.
didn’t run
B.
shouldn’t run
C.
haven’t run
D.
hadn’t run
【单选题】听力原文：W: Exercise, exercise, exercise. We hear so much about it these days, yet even the experts can't agree on which exercises are best. Now some doctors are strongly encouraging arm exercises. M: Arm...
A.
They don't get rid of flabby arms.
B.
They can damage arm muscles.
C.
They aren't acceptable to most people.
D.
They can raise one's blood pressure.
【单选题】If I ___ __ out of my ink, I would have finished writing the composition.
A.
didn’t run
B.
should’t have run
C.
hadn’t run
D.
hadn’t run
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