阿尔佛雷德出具一张以波妮为受票人、以托尼为受益人的金额为10000港元的汇票。托尼通

根据句意和中文提示写出单词的正确形式。

1. Jim  ________ (居住) with his uncle in Canada.

2. He has a________ (危险) but exciting job. He likes his job.

3. Pandas are kind of shy, so please be________ (安静).

4. The supermarket is on the________ (五) Avenue.

5. Autumn is coming, the________ (叶子) turn yellow.

6. Look! He’s________ (游泳) at the pool.

7. On a ________ (多云的) afternoon in summer, I like to go to the beach.

8. How’s the movie? ________ (相当) good.

9. Sandra likes________ (看) books.

10. There’re many animals in the________ (动物园).

呕血最常见的原因是

A．胃底、食管静脉曲张破裂

B．食管癌

C．消化性溃疡

D．钩端螺旋体病

E．急性胃粘膜病变

《阿细跳月》是我国（）的民族舞蹈。

A、彝族

B、傣族

C、苗族

D、白族

若无差异曲线上一点的斜率dy/dx=-2，这意味着，消费者放弃一单位X商品能获得（）单位Y商品。

A、2

B、1/2

C、1/4

D、4