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【单选题】
计算-1 2 的结果是 [     ]
A.
-1
B.
1
C.
-2
D.
2
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参考解析：
知识点：
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举一反三
【单选题】. Anyone in the company should be aware ______ his duty and try his best to make contributions.
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about
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of
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with
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for
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【单选题】将一定质量的Mg、Zn、Al混合物与足量稀H 2 SO 4 反应，生成H 2 0.125mol，原混合物的质量可能是
A.
2g
B.
4g
C.
9g
D.
10g
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【多选题】市场环境 “卖方市场”(供不应求)的条件下，所产生的营销管理理念是( )。
A.
生产观念
B.
产品观念
C.
推销观念
D.
市场营销观念
E.
社会市场营销观念
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【单选题】The sentence 'Hundreds of the vast blocks had been built before anyone began to doubt about whether they were good solutions or not' means that ______.
A.
it was not until hundreds of the vast blocks had been built that people began to doubt whether they were good solutions or not
B.
hundreds of the vast blocks had not been built until anyone began to doubt whether they were good solutions or not
C.
people began to doubt whether they were good solutions or not before hundreds of the vast blocks had been built
D.
since hundreds of the vast blocks had been built, some people began to doubt whether they were good solutions or not
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【简答题】Senor Viladomat, an important Spanish , is coming to your company for a meeting about a new product. You are responsible for arrangements for his trip. Write a e-mail to Senor Viladomat's...
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【多选题】市场环境 “卖方市场”(供不应求)的条件下,所产生的营销管理理念是( )。
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【简答题】拓跋鲜卑第二次南迁到（ ），即今天的阴山、河套地区。
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【单选题】金属Mg与某质量分数的稀硝酸反应的化学方程式为：4Mg+10HNO 3 ═4Mg（NO 3 ） 2 +X+3H 2 O．则其中X的化学式是（　　）
A.
NH 4 NO 3
B.
NO
C.
NH 3
D.
NO 2
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【单选题】最早运用无套利定价技术的是( )。
A.
资本资产定价理论
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套利定价理论
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布莱克—斯科尔斯期权定价理论
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【多选题】将一定质量的Mg、Zn、Al混合物与足量稀H 2 SO 4 反应，生成H 2 0.125mol，原混合物的质量可能是（   ）
A.
2g
B.
4g
C.
8g
D.
10g
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【单选题】. Anyone in the company should be aware ______ his duty and try his best to make contributions.
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【单选题】将一定质量的Mg、Zn、Al混合物与足量稀H 2 SO 4 反应，生成H 2 0.125mol，原混合物的质量可能是
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【单选题】The sentence 'Hundreds of the vast blocks had been built before anyone began to doubt about whether they were good solutions or not' means that ______.
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【简答题】Senor Viladomat, an important Spanish , is coming to your company for a meeting about a new product. You are responsible for arrangements for his trip. Write a e-mail to Senor Viladomat's...
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【简答题】拓跋鲜卑第二次南迁到（ ），即今天的阴山、河套地区。
查看完整题目与答案
【单选题】金属Mg与某质量分数的稀硝酸反应的化学方程式为：4Mg+10HNO 3 ═4Mg（NO 3 ） 2 +X+3H 2 O．则其中X的化学式是（　　）
A.
NH 4 NO 3
B.
NO
C.
NH 3
D.
NO 2
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【单选题】最早运用无套利定价技术的是( )。
A.
资本资产定价理论
B.
套利定价理论
C.
布莱克—斯科尔斯期权定价理论
D.
MM定理
查看完整题目与答案
【多选题】将一定质量的Mg、Zn、Al混合物与足量稀H 2 SO 4 反应，生成H 2 0.125mol，原混合物的质量可能是（   ）
A.
2g
B.
4g
C.
8g
D.
10g
查看完整题目与答案