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【简答题】
Translate the paragraph into Chinese. Social networking sites are an important part of life in the US. About two-thirds of American adults online use social media platforms such as Facebook, Twitter, MySpace or LinkedIn. Connecting with family members and friends is a primary consideration in their adoption of social media tools. Some media users go to these sites in order to stay in touch with current friends and family members, while others try to connect with old friends they’ve lost touch with. Sharing hobbies or interests, making new friends, reading comments by public figures and finding potential romantic partners are also among the reasons for using social networking sites. Social networking sites can also serve as information networks where people share information with other users. Instead of searching through a news source such as the website of The New York Times or ESPN that caters to all people, a person can check their Twitter account and find out about their favourite team’s scores and news.
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【单选题】用一致对来考察两个变量n对等级数据的相关程度的指标是( )。
A.
Kendall tau
B.
Spearman 等级相关系数
C.
Kendall’W
D.
K-S 值
【单选题】为提高 U 形压差计的灵敏度,在选择指示液时,应使指示液和被测流体的密度差(ρ指 - ρ)的值( )。
A.
偏大
B.
偏小
C.
越大越好
D.
无法判断
【单选题】为提高U形压差计的灵敏度,在选择指示液时,应使指示液和被测流体的密度差(m一P)的值()
A.
偏大
B.
偏小
C.
越大越好
D.
无法判断
【简答题】I have many books .
【简答题】One of the best-known American writers of children’s books is Alfred Strong, or Doctor Strong, as he is better known to readers everywhere. Now, an art show called “Doctor Strong from then to now” is ...
【单选题】为提高 U 形压差计的灵敏度,在选择指示液时,应使指示液和被测流体的密度差( ρ 指 - ρ )的值
A.
偏大
B.
偏小
C.
越大越好
D.
无法确定
【简答题】I have many books. (改为否定句)
【简答题】为提高U形压差计的灵敏度较高,在选择指示液时,应使指示液和被测流体的密度差(ρ指-ρ)的值( )。 A.偏大 B.偏小 C.越大越好
【简答题】The ability to keep calm is one of his many _________ (strong).
【单选题】疝内容物与疝囊发生粘连,因此不能完全回纳入腹腔的疝是
A.
小儿脐疝、
B.
滑动性疝
C.
难复性疝
D.
易复性股疝
E.
绞窄性疝
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