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【判断题】
砖墙每日砌筑高度不得大于 1.8m。A.
正确
B.
错误
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举一反三
【简答题】Darwin's thinking both drew upon and __________ the conventional ideas of his time. (maintain; prestige; whereby; nominate; inhibit; patriotic; pursuit; dedication; endeavor; transcend)
【单选题】某化学反应可以用X+Y→M+R表示．下列关于此反应的说法中，正确的是（ ）
A.
若X是单质，则该反应一定是置换反应
B.
若Y为金属，则该反应一定生成氢气
C.
若X为紫红色金属，则该反应在常温下进行时一定生成蓝色溶液
D.
若X和Y的质量之和为10g，则生成M和R的质量之和一定是10g
【简答题】Darwin's thinking both drew upon and the conventional ideas of his time. maintain prestige whereby inhibit patriotic pursuit dedication endeavor transcend nominate
【简答题】maintain inhibit transcend deviate We see many special education directors trying to _____ the quality of their programs with much less money and much smaller staff.
【单选题】某一化学反应: 2A + B → C是一步完成的。A的起始浓度为 2 mol.dm－3，B的起始浓度是4 mol.dm－3 .1 s后，A 的浓度下降到 1 mol.dm－3，该反应的反应速率为
A.
0.5 mol.dm － 3 .s － 1
B.
- 0.5 mol.dm － 3 .s － 1
C.
- 1 mol.dm － 3 .s － 1
D.
2 mol.dm － 3 .s － 1
【简答题】People there are told it is their __________ duty to support the national economy by buying their own products. (maintain; prestige; whereby; nominate; inhibit; patriotic; pursuit; dedication; endeavo...
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