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据科学家预测：100年后，全球气温将上升1.4~5.8℃。根据这一预测，全球气温上升将给全球环境带来不可估测的影响，其中水资源的匮乏将是最严重的问题。占地球总储水量的97.2%。若把淡化和化工生产结合起来，既能解决淡水资源缺乏的问题，又能充分利用海洋资源。 (1)就目前技术而言，结合能源消耗等问题，下列适用于“淡化”的技术是________（填序号）。 A．蒸馏法 B．电渗析法 C． D．离子交换法 E．反渗透法 (2)我国在远古时代就利用晒盐，此项技术属于物质分离实验操作中的____________。 (3)晒盐得到的母液中，还有大量的镁、钾离子和一定量的溴、碘化合物。其中通过先进的分离技术得到MgCl 2 ·6H 2 O产品，此产品还需要在不断通入“干燥氯化氢”的条件下脱水才能得到无水MgCl 2 ，此原因是：_________________；如果实验以、氯气等为基本原料来制得单质溴、碘，最基本操作过程是______、______、______。 (4)制碱也是海洋资源应用的延伸，写出利用NaCl、氨气、CO 2 制备纯碱的有关反应式：________。
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【单选题】---- Would you please tell me _______? ----Yes. There’s a bank over there.
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When can I exchange money
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regular backups
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periodically defrag it
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run chkdsk at least once a week
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吕某构成损害财物罪
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【单选题】What's the best way to prevent coronavirus disease according to the video?
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wash hands often
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stay at home
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wear a mask when going out
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【单选题】What's the best way to turn down the drinking of alcohol at the table without offending the host?
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Tell the host before the party you don't drink.
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Refuse offers to drink with as much politeness as possible.
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【单选题】At 5:30 pm on ______, you can telephone the museum for information.
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【判断题】中轴胎座由多心皮构成的多室子房,心皮边缘于子房中央形成中轴,胚珠生于中轴上。
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【判断题】You can withdarw money from the ATM with your credit card with no interest if you repay immediately.
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【单选题】听力原文：What's the best way to the stadium? (A) You can get the No. 4 bus and get off at Lomb Street. (B) The show there tonight is really the best. (C) You can find a restaurant there. (39)
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相关题目：
【单选题】---- Would you please tell me _______? ----Yes. There’s a bank over there.
A.
When can I exchange money
B.
where can I exchange money
C.
when I can exchange money
D.
where I can exchange money
查看完整题目与答案
【单选题】What's the best way to protect your hard drive data?
A.
regular backups
B.
periodically defrag it
C.
run chkdsk at least once a week
D.
run scandisk at least once a week
查看完整题目与答案
【单选题】吕某故意毁坏财物案 处警方略 2018年 8 月 25 日 23 时,嫌疑人吕某酒后睡在马路边,群众拨打 120 ,郑州市第六人民医院派救护车接诊,将吕某拉回医院的途中,躺在担架床上的吕某突然醒过来乱蹬乱踹,将身上插着的仪器拔掉,无意中将身体右侧放着的一个除颤器碰坏,价值 1.95 万元。 23 时 19 分到医院后,救护车门刚打开,吕某即跳下车冲到大厅,乱扔急诊科走廊里的垃圾桶和座椅,后被控制。...
A.
吕某构成损害财物罪
B.
吕某对除颤器的损害无任何责任
C.
吕某应照价赔偿除颤器
D.
对吕某行为无法判断
查看完整题目与答案
【单选题】What's the best way to prevent coronavirus disease according to the video?
A.
wash hands often
B.
stay at home
C.
wear a mask when going out
D.
do not eat wild animals
查看完整题目与答案
【单选题】What's the best way to learn new words?
A.
Listen English by our ears
B.
Writing English words
C.
Travel to the UK
查看完整题目与答案
【单选题】What's the best way to turn down the drinking of alcohol at the table without offending the host?
A.
Tell the host before the party you don't drink.
B.
Accept the offers, but use them to buy the host a bottle of wine.
C.
Refuse offers to drink with as much politeness as possible.
D.
Tell the host you're paying for the meal before the meal has started.
查看完整题目与答案
【单选题】At 5:30 pm on ______, you can telephone the museum for information.
A.
Sunday
B.
Saturday
C.
Monday
D.
Sunday and Saturday
查看完整题目与答案
【判断题】中轴胎座由多心皮构成的多室子房,心皮边缘于子房中央形成中轴,胚珠生于中轴上。
A.
正确
B.
错误
查看完整题目与答案
【判断题】You can withdarw money from the ATM with your credit card with no interest if you repay immediately.
A.
正确
B.
错误
查看完整题目与答案
【单选题】听力原文：What's the best way to the stadium? (A) You can get the No. 4 bus and get off at Lomb Street. (B) The show there tonight is really the best. (C) You can find a restaurant there. (39)
A.
B.
C.
查看完整题目与答案