个位上是______的数，是2的倍数．个位上是______的数，是5的倍数．一个

阅读下面短文，用括号内所给动词的适当形式填空(必要时可加情态动词或助动词)。

       It was getting dark. Some children and two Canadian women were still skating near a big hotel.

They   1   (have) a great time. A boy said to his friends, "I   2   (not skate) on a real lake so far. It's

wonderful! Look! I   3  (fly)!" Suddenly the ice broke. One of the boys fell into the river. The children

shouted, "Help! Help!" They didn't know what they   4   (do).

       My mother is very kind and easygoing. She helps me a lot. I   5   (take) good care of my daily life

by her. When I am in trouble, she always encourages me     6   (face) my difficulties. With her help, I

have become a top student in my class already. I believe she   7   (be) proud of me in the near future.

患者，男，31岁。左下后牙自发性疼痛，吸允时易出血。自诉5天前曾用牙签剔牙。口腔检查：牙间 * * 红肿，有明显探触痛，易出血。牙体无龋坏和非龋性疾病。叩诊（+），无松动，未探及牙周袋。可能的诊断是（）。

A.急性牙髓炎

B.慢性牙髓炎急性发作

C.急性根尖炎

D.急性牙龈 * * 炎

E.三叉神经痛

对于无着汇款的描述正确的是（）.

A.逾期退汇满90天（含）的按址汇款为无着汇款

B.已满有效兑付期的密码汇款为无着汇款

C.客户凭有效兑付凭证在任意年份可在收汇网点办理无着汇款的兑付

D.无着汇款可在任意网点经支局长授权后兑付

某商场为一般纳税人，采用了还本销售的方式，销售电视机100台，每台含税售价6000元，约定2年后，将售价的50%返还给购货人，则该商场当期计算的增值税销项税额是43589.74元，注册税务师审核后，认为应当( )。

A．调增销项税额87179.49元

B．调减销项税额87179.49元

C．调增销项税额43589.75元

D．调减销项税额43589.75元

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