It is important_________us students to m

题型:选择题

问题:

It is important_________us students to make a plan_________our studies before a new term starts.

A.for; for

B.of; for

C.to; of

D.with; on

考点:介词介词短语
题型:选择题

有机溶剂沉淀法中使用的有机溶剂多为甲醛或丙酮。()

题型:选择题
I had always cared about sick children and tried to help them. But when my little grandson received third degree burns, I learned first-hand how      a loving adult feels when his/her child is suffering and he/she can’t take the pain away. This experience      me to feel sorry for parents with sick children.
One mom told me that she     like running into the street and screaming, “My child is sick. Would somebody please help us?” It breaks my       that these parents are so anxiously(忧虑地) searching for someone to care and help them     the hard times of watching their helpless child suffer. So I decided to do something to help them.
Two years ago, I almost lost my eyesight. Luckily, I regained(恢复) some eyesight, but I was no longer able to work.     I had a lot of time. At first, I thought that my life was      because I couldn’t do any of the things I used to do. I believed that my life had no purpose and I was no      to anybody anymore. I began to be interested in surfing the Internet for information.
One day I received several emails asking for help for sick children. I decided to post their stories and pictures on a webpage. What began as a     has grown into a fulltime job I enjoy doing every day. Since my website was built, I’ve received tens of emails from worried parents asking me to put their child’s story online. And over 325 volunteers have     me to send children “happy mail” without being paid.
小题1:
A.boredB.puzzledC.helplessD.hopeful
小题2:
A.madeB.advisedC.guidedD.led
小题3:
A.seemedB.feltC.lookedD.sounded
小题4:
A.heartB.headC.legsD.face
小题5:
A.overB.withC.acrossD.through
小题6:
A.ButB.ThoughC.SoD.Since
小题7:
A.meaninglessB.meaningfulC.interestingD.boring
小题8:
A.pointB.senseC.goodD.hope
小题9:
A.pictureB.wishC.hobbyD.website
小题10:
A.paidB.joinedC.invitedD.advised
题型:选择题

有三个粒子a、b、c(不计重力)以相同的速度垂直射入匀强磁场中,它们的运动轨迹如图所示,其中b粒子做直线运动,则a粒子带____________电,b粒子____________,c粒子带_______________电.

题型:选择题

要创建屏幕工具栏的用户子类,应当指定的基类是()。

A.Toolbar

B.Container

C.Mytool

D.GJL

题型:选择题

什么是汽油机的正常燃烧过程?

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