表面改性技术

水平固定管对接组装时，组对间隙一般应上小下大。( )

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。

     It's hard when a best friend isn't around-maybe because she moved to a different school or a different

class, or maybe she's just homesick for the day. Break or lunchtime can feel lonely without her. 1_____

You want to have new friends, but how do you make them? Maybe it seems like everybody else already

has their friends. 2_____

     Start by looking around your classroom-think about which kids you'd like to play with at break. Look

for chances to say hi to them, smile, and he friendly. 3_____ Invite someone to play with you or say "Do

you want to sit here?" in the lunchroom. When you're at break, walk over tc kids you want to play with,

act friendly, and say "Hi, can I play, too?" or just join in.

     If you have trouble doing this or if you're feeling shy, ask your teacher to help you make new friends.

Teachers are usually pretty good at matching up friends. 4_____ Be kind, be friendly, share, say positive

things, offer to help-and pretty soon, you'll have one, or two, or even more new friends. 

     5_____ But when you see each other, you can share something you didn't have before she left: You

can introduce her to your new friends!

A. What's right for me?

B. But remember, there's always room for more friends.

C. Will it ever feel the same?

D. The best way to make friends is to be a friend.

E. Offer to share something or offer greetings. 

F. Make a choice in your life.

G. You might still miss that special best friend.

建设工程项目施工成本由直接成本和间接成本所组成。其中属于间接成本的是( )。

A．人工费
B．材料费
C．施工措施费
D．办公费

使用手砂轮时要先对什么部位进行检查？

（）年5月，国务院下发了《关于支持福建省加快建设海峡西岸经济区建设的若干意见》。船政文化首次被写入国务院文件。

A.1949

B.1978

C.2009

D.2010