如图所示,三根通电直导线垂直纸面放置,位于b、c、d处,通电电流大小相同,方向如

题型:选择题

问题:

如图所示,三根通电直导线垂直纸面放置,位于b、c、d处,通电电流大小相同,方向如图.a位于bd中点.则a点的磁感应强度方(  )

A.垂直纸面指向纸里

B.垂直纸面指向纸外

C.沿纸面由a指向b

D.沿纸面由a指向c

考点:磁感应强度
题型:选择题

在采样断面的某一垂线上,若水深5

A、1

B、2

C、3

D、4

题型:选择题

Lily comes from England. She is a nice girl. Her eyes are big and her mouth is small. She has a big family(家庭). Her father(爸爸)is Jack Smith, and her mother’s(妈妈的)name is Kate Smith. They are very kind(和蔼的). Lily has a sister and a brother. Her sister is Helen, and her brother is Paul. Helen has long hair and a round face, but Paul has short curly(卷曲的)hair and a long face. They are in the same school. They like(喜欢)their teachers very much(非常).

根据短文内容,判断正(A)误(B)。(5分)

小题1:Jack Smith comes from China.

小题2:Helen has short hair and a round face.

小题3:Paul has two sisters.

小题4:Helen and Paul are in different schools.

小题5:Helen and Paul like their teachers, very much.

题型:选择题

2011年12月召开的中央经济工作会议提出,面对复杂多变的国际政治经济环境和国内经济运行新情况新变化,必须继续抓住的主题是 [ ]

A.结构调整

B.转变方式

C.扩大内需

D.科学发展

题型:选择题

肛柱下端半月形的粘膜皱襞称______。

题型:选择题

下腹部手术切口拆线时间一般在术后()

A.4~5天 

B.6~7天 

C.7~9天 

D.10~12天 

E.14天

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