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【多选题】
前往公共场所怎样预防新型冠状病毒的肺炎感染?A.
避免在未加防护的情况下与农场牲畜或野生动物接触
B.
保持工作场所室内不断的通风换气
C.
在商场、公交车、地铁和飞机等人流密集地方，要佩戴口罩降低接触病原风险。
D.
咳嗽打喷嚏时，用纸巾或衣袖将鼻完全遮住
E.
将用过的纸巾立刻扔进封闭式垃圾箱内；咳嗽打喷嚏后，用肥皂和清水或含酒精洗手液清洗双手
F.
外出回家后及时洗手，如有发热和其他呼吸道感染症状，特别是持续发热不退，及时到医院就诊。
G.
传染病流行期间尽量避免各类聚会
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【单选题】Made of concrete, the gravity dam is_________m long,_________m tall above the sea level.
A.
2,309.5, 175
B.
2,350, 185
C.
2,309.5, 185
D.
2,335, 175
【简答题】思考:如果在通电螺线管中插入铁芯,铁芯会被 ,也会产生磁场,于是通电螺线管周围既有 产生的磁场,又有 产生的磁场,因而磁场大大增强了。
【简答题】Language as activity refers not to the ability in our minds, but to the actions that we do with language at a given moment. In our everyday lives we do not use the whole of language. Rather, we use ...
【单选题】Task 3 (51-55) Directions: This taskis the same as Task1.The 5 questions or unfinished statements are numbered 51through 55. Do you know howto deal with money troubles for the future/ here is some use...
A.
you will not hurry to buy things you wish to have
B.
you may not go shopping for things you don’t need
C.
you will only go shopping for things you may need
D.
you may not hurry to buy things not exactly needed
【单选题】With the antenna of the SART l.5 meters above the sea level, and on the search height of 3000 ft, the detection range of SAR airplane will up to
A.
5 n nules
B.
10 nmiles
C.
40 n miles
D.
2 nmiles
【单选题】Which of the following is known as the roof of the world with a height of more than 5,000 feet above the sea level?
A.
Loess Plateau
B.
Inner Mongolia Plateau
C.
Qingzang Plateau
D.
Yungui Plateau
【简答题】Qinghai Lake, which is the largest inland body of salt water in China, lies 3198 meters above the sea level.
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