喷漆后出现桔皮，可采用下列（）方法消除。A、加入清漆进行调整 B、多加入颜色分 C、

Nancy’s hobby is collecting sharpeners. She spends a lot of time on it after school. She has been collecting more than one hundred sharpeners from different countries. They are all different in color and size.

Nancy likes sharpeners with animals and birds on them. In this way, she learns the names of many animals and birds. She also borrows books on animals and birds from her school library. She learns a lot about them from books.

Sometimes Nancy has many sharpeners of the same kind. She gives them to her friends. Then they give her other different sharpeners in return.

Nancy has many pen pals in many countries. She sends them sharpeners of her country. In return, they send her sharpeners of their countries. Nancy’s father also gives her sharpeners. He brings them home from his friends for her.

Many of Nancy’s friends collect other things. Some collect coins and others collect matchboxes（火柴盒）or stamps. But, all of them say that Nancy’s collection is the most interesting of all.

小题1:Nancy spends a lot of time on her hobby             .

A．before school

B．in class

C．after school

D．during her holidays小题2:          Nancy’s sharpeners are different in color and size.

A．All of

B．Some of

C．Many of

D．Most of小题3:Sometimes Nancy has many sharpeners of the same kind. She then           .

A．keeps them

B．throws them away

C．sells them

D．sends them to her friends小题4:What don’t Nancy’s friends collect?

A. Sharpeners.   B. Coins.    C. Matchboxes and stamps.  D. Both B and C.

小题5:How does Nancy collect sharpeners? Which of the following is wrong?

A．Her friends give her some.

B．Her pen pals send her some.

C．Her father buys her some.

D．Her father’s friends give her some.

甲、乙、丙合伙经营一商店。甲被推选为负责人。在经营期间，甲放弃了商店对丁享有的5万元债权，甲的放弃债权行为（）。

A.无效，因为未取得乙、丙的同意

B.部分无效，即对乙、丙的份额不发生效力

C.效力未定，即取得乙、丙的同意后发生效力

D.有效，因为甲是合伙的负责人

润滑油油质恶化将引起部分轴承温度升高。

平移断层

企业采用五种竞争力量分析模型分析外部竞争环境，当出现( )情况时，企业面临的竞争威胁较大。

A．行业增长缓慢

B．行业内企业具有产品差异性

C．参与竞争的公司数量少

D．参与竞争的公司规模和影响力相同

E．替代品出现