有机污染物

一急性心梗患者，突然晕厥，心电图为室速160次／分，查血压为80/60mmHg，脉搏触不清，心音弱，无杂音。

最有可能的诊断是（）.

A.室速伴急性左心衰

B.室速伴心源性休克

C.室速演化为室颤

D.急性心梗合并室速

E.急性心梗合并心源性休克

男性，56岁，食欲减退半年，肝肋下及边。血红蛋白80g/L，红细胞3.1×10/L，网织红细胞2%。骨髓象示幼红细胞增生活跃，中、晚幼红细胞为主，幼红细胞体积小、胞浆少、边缘不整，粒细胞系及巨核细胞系正常。

可能的诊断是（）

A.巨幼细胞贫血

B.缺铁性贫血

C.溶血性贫血

D.再生障碍性贫血

E.肝病性贫血

有“5S”之称的岛屿为( )。

A．夏威夷

B．大堡礁

C．普吉岛

D．巴厘岛

在改写后的句子中填入所缺单词，使其与原句意思相符：

1. The boy is five years old. He couldn't find his way in the park yesterday.

    The _______ boy _______ _______ _______ in the park yesterday.

2. How often does Jim get a letter from his parents?

    How often _______ Jim _______ _______ his parents?

3. The fire burned Wang Fang's neck, arms and face.

    Wang Fang _______ her neck ,arms and face in the _______.

4. This is Millie's blanket.

    This blanket _______ _______ Millie.

5. They may visit a home for the elderly this Sunday.

    _______ they _______ _______ a home for the elderly this Sunday.

制备微囊用（）

A.熔融法

B.超声波分散法

C.天然高分子法

D.离子交换法

E.一步乳化法