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备受关注的中国第三大水电站―向家坝水电站（位于金沙江上）于2008年12月底实现大江截流，各项目正顺利进行。据此完成9一11题。 图3一13 小题1:金沙江干支流水能资源丰富，但长期以来未得到充分开发，其主要原因是 ①地质条件复杂，工程难度大 ②该区能源需求量小 ③可能诱发地震等自然灾害④移民难度大 A．①④ B．①②④ C．①②③ D．①③④ 小题2:向家坝水电站选在12月底截流的原因是 A．工程计划安排，无特殊原因 B．此季节气温相对较低，利于工人施工 C．避开鱼类的洄游期 D．此季节河流流量小，水量小便于施工 小题3:该水电站建设对环境的不利影响可能有 A．库区降水变率增大 B．库区水质变差 C．诱发大型的山崩、泥石流等地质灾害 D．生态环境恶化
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【简答题】In the lobby(休息室) after a long day at work, I found myself standing next to a handsome young man with a nice smile. A __ showed what we had in common: I had ____ in New York city from Germany while he...
【单选题】Clerk: Good morning, sir. Can I help you? Customer: Can I refund this TV? Clerk: What happened to it? Is there anything wrong with it? Customer: No, I just don't need it. Q: What does the customer wan...
A.
Return it and get his money back.
B.
Change it for a new one.
C.
Rent it for a few days.
D.
Change it for other things.
【单选题】莫尔法测定Cl–所用标准溶液、pH条件和应选择的指示剂是
A.
AgNO3 、碱性和K2CrO4
B.
AgNO3 、碱性和K2Cr2O7
C.
KSCN 、酸性和K2CrO4
D.
AgNO3 、中性或弱碱性和K2CrO4
【单选题】莫尔法测定 Cl - ,所用标准溶液、 pH 条件和应选用的指示剂是( )。
A.
AgNO 3 、碱性、 K 2 CrO 4
B.
AgNO 3 、碱性、 K 2 Cr 2 O 7
C.
KSCN 、酸性、 K 2 CrO 4
D.
AgNO 3 、酸性、 K 2 CrO 4
【简答题】机动车辆的风险因素中社会环境风险因素有哪些?
【简答题】I want to rent a new apartment that is ______ (comfortable)than this one．
【单选题】Salesman : Good morning, sir. Can I help you? C ustomer: Can I refund this TV? Salesman : What happened to it? Is there anything wrong with it? C ustomer: No, I just don’t need it. 2 0 . What does...
A.
Change it for a new one.
B.
Return it and get his money back.
C.
Rent it for a few days.
D.
Change it for other things.
【简答题】I want to rent a new apartment that is (comfortable) ________than this one. (03.12)
【简答题】机动车辆的风险因素中社会环境风险因素有哪些?
【单选题】莫尔法测定Cl - 所用标准溶液、PH条件和应选择的指示剂是（）
A.
AgNO 3 、碱性和K 3 CrO 3
B.
AgNO 3 、碱性K 3 Cr 3 O 3
C.
KSCN、酸性和K 2 CrO 4
D.
AgNO 3 、中性弱碱性和K 2 CrO 4
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