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【多选题】
在敦煌网里,账户信息是有修改规则的,那么下列哪些属于限制修改的卖家账户信息?( )
A.
企业用户的注册人姓名与身份证号
B.
Email
C.
个人卖家的注册人姓名和身份证号
D.
银行账户
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【单选题】下列体温范围正确的是:
A.
口温36.6到37.7℃
B.
肛温36.3到37.2℃
C.
腋温36到37℃
D.
口温36.5到37.7℃
【单选题】What does Student A say about his plans for next term?
A.
She will cut back on courses and earn more money.
B.
She may apply for financial aid.
C.
She will leave the school for a while.
D.
She will complain to the government.
【单选题】A) She made a mistake by taking too few courses in the first term. B) The courses she took were too difficult for her. C) She took too many courses during her first term. D) She found it difficult to ...
A.
She made a mistake by taking too few courses in the first term.
B.
The courses she took were too difficult for her.
C.
She took too many courses during her first term.
D.
She found it difficult to deal with college courses.
【多选题】测定人体的BMR应在下列哪些条件下进行( )
A.
进食12h后
B.
清醒、静卧半小时以上
C.
避免精神紧张
D.
室温在20~25℃范围
E.
以上都不是
【单选题】听力原文:M: I heard Helen's going to college. What's she studying? W: She's taking courses in statistics, economics and accounting. Q: What career does Helen probably plan to follow? (18)
A.
Secretary.
B.
Business administration.
C.
Home economics.
D.
Biology.
【简答题】What are the most popular ESP courses in Britain? [A] Courses for doctors. [B] Courses for businessmen. [C] Courses for reporters. . [D] Courses for lawyers.
【单选题】径向柱塞泵改变排量的途径是( ),轴向柱塞泵改变排量的途径是( )。
A.
改变斜盘的倾角、 改变定子和转子间的偏心距
B.
改变定子和转子间的偏心距、改变斜盘的倾角
C.
改变斜盘的倾角 、改变压盘大小
D.
改变压盘大小、 改变斜盘的倾角
【单选题】常温下,下列有关离子浓度及pH大小的比较,正确的是 [     ]
A.
NH 4 + 浓度相同的下列溶液:①(NH 4 ) 2 Fe(SO 4 ) 2 ②(NH 4 ) 2 CO 3 ③(NH 4 ) 2 SO 4 ,溶液浓度由大到小的顺序是:③>②>①
B.
由pH=3的CH 3 COOH溶液与pH=11的NaOH溶液等体积混合,其离子浓度不可能是: c(CH 3 COO - )>c(Na + )> c(H + ) > c(OH - )
C.
pH=13的Ba(OH) 2 溶液与pH=1的HCl溶液等体积混合后,混合溶液的pH>7
D.
pH=12的Ba(OH) 2 溶液与pH=14的NaOH溶液等体积混合,混合溶液的pH范围是13
【多选题】径向柱塞泵改变排量的途径是 ,轴向柱塞泵改变排量的途径是 。
A.
改变定子和转子间的偏心距
B.
改变斜盘的倾角
【单选题】径向柱塞泵改变排量的途径是( ),轴向柱塞泵改变排量的途径是( )。
A.
改变定子和转子间的偏心距 改变斜盘的倾角
B.
改变油液  改变压力
C.
改变旋转方向 改变斜盘的倾角
D.
改变定子和转子间的偏心距   改变效率
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