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【单选题】
将物理材质的【透明度参数】设置为____,适当调节涂层和折射率,就可以制作玻璃、水、蜂蜜、肥皂泡等材质。
A.
-10
B.
-1
C.
0
D.
1
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参考答案:
举一反三
【单选题】My sister met him at Ningbo Grand Theatre yesterday afternoon, so he your lecture.
A.
couldn’t attend
B.
mustn’t have attended
C.
shouldn’t attend
D.
couldn’t have attended
【单选题】My sister met him at the Grand Theater yesterday afternoon, so he ______ lecture.
A.
mustn’t have attended
B.
needn’t have attended
C.
couldn’t have attended
D.
shouldn’t have attended
【单选题】My sister met him at the Grand Theatre yesterday afternoon, so he ______ your lecture.
A.
couldn't have attended
B.
needn't have attended
C.
mustn't have attended
D.
shouldn't have attended
【判断题】缺铁性贫血是最常见的贫血
A.
正确
B.
错误
【判断题】均匀控制系统单从结构上看与简单控制是相同的。( )
A.
正确
B.
错误
【单选题】与主油道并联的滤清器,主油道的机油只有少量流经它,称
A.
过滤式滤清器
B.
分流式滤清器
C.
全流式滤清器
D.
以上结果都是
【单选题】My sister met him at the Grand Theater yesterday afternoon, so he ______ your lecture.
A.
couldn't have attended              
B.
needn't have attended
C.
mustn't have attended                
D.
shouldn't have attended
【单选题】My sister met him at the Grand Theatre yesterday aftemoon , so he _____ your lecture. [     ]
A.
couldn't have attended
B.
needn't have attended
C.
mustn't have attended
D.
shouldn't have attended
【单选题】My sister met him at the cinema yesterday afternoon, so he your lecture.
A.
couldn’t have attended
B.
needn’t have attended
C.
mustn’t have attended
D.
shouldn’t have attended
【判断题】1缺铁性贫血是最常见的贫血类型
A.
正确
B.
错误
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