审查W公司会计报表的应收账款项目时，助理人员小马对坏账准备的增减变化进行了检查，并对

阅读短文，根据短文内容及首字母提示，在空白处填入一个适当的单词。

     She is Liu Hui, a middle school student in Anhui, one of the "stay-at-home children" in her town. Liu Hui is

12 years old and lives (1) w_________ her sister. Her parents left home to make money in big cities when

she was (2) o_________ four. Liu Hui has to take (3) c_________ of her younger sister. They have to stay

at home alone (4) b_________ they have to go to school.

    "I used to feel (5) s_________ without my parents at home," she said, "but now I know (6) w_________

they do so. They have to go away to make money for (7) u_________ so that we can live a better life."

    Every day, Liu Hui gets up at 6:30 a.m. and cooks (8) b_________. Then the two girls go to school.

They have supper at 6:00 p.m. Then Liu Hui does housework and (9) h_________ her sister with her

homework. She usually goes to bed at 9:30 p.m.

    Though busy, Liu Hui is still the (10) b_________ student in her class. She said, "My life is OK. But I

still hope my parents will come back and live with us."

新雇员上岗引导是指向新雇员提供有关企业的（）。

A.基本背景材料

B.经营目标与理念

C.经营计划

D.基本作业规范

男，20岁，在一次体检中发现HBsAg阳性，当时无自觉症状及体征，肝功能正常。次年5月，因突然乏力、恶心、厌食、尿黄而入院。化验：ALT 500U，血清总胆红素 85μmol/L，抗-HAVlgM(+)。该患者的诊断可能为( )。

A．乙型肝炎，慢性迁延型，既往感染过甲型肝炎

B．乙型肝炎，慢性活动型，既往感染过甲型肝炎

C．急性甲型黄疽型肝炎，乙型肝炎病毒携带者

D．急性乙型肝炎，合并甲型肝炎

E．急性黄疸型肝炎，甲、乙型肝炎病毒混合感染

某商品出现市场短缺现象，该商品的价格走向是趋于( )。

A．上升

B．下降

C．不变

D．不确定

关于马蹄肾的描述，下列错误的是（）

A.左右肾下极联合

B.易并发肾肿瘤

C.有多根肾动脉

D.偶见左右肾上极联合

E.左右输尿管自肾门通过肾联合