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【判断题】
仪器仪表的校准记录的形式包括内校准记录表、校准报告或证书、检定证书或报告书。A.
正确
B.
错误
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【单选题】They planned to go to Beijing for sightseeing, but because of their daughter’s unexpected illnes
A.
51. They planned to go to Beijing for sightseeing, but because of their daughter’s unexpected illness they had to stay at home _____. A．instead
B.
really
C.
however
D.
Though
【简答题】金属材料的性能主要分为四个方面:力学性能、( )、( )、( )。 2 .工程中评定金属材料的塑性指标为( )和( )。 3. 硬度测试方法很多,生产中常用的硬度测试法有( )和( )。 4. 根据工艺方法的不同,材料的工艺性能可分为热...
【单选题】_____ the supercharge pressure is, _____ power an engine develops.
A.
The higher/the more
B.
Higher/more
C.
Higher/little
D.
The higher/the less
【单选题】He ______ ten lectures on African literature, but he only gave three because of his illness.
A.
must have given
B.
should have given
C.
gave
D.
had given
【单选题】His mother _______ a serious illnes.
A.
came through
B.
came up with
C.
came across
D.
came into
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