TMSI的分配是在（） A.VLR B.MSC C.HLR D.OMC

用方框中单词的正确形式填空。

At this moment, in different place of the world, people are doing different things.

In London, it’s five o’clock in the afternoon and people are leaving 小题1:____________and are going home. They’re waiting for buses or trains. Some people are driving home. Some are 小题2:______________ off buses or trains. Some are having afternoon tea at home or having a drink.

In Moscow, it’s eight o’clock in the evening, so people aren’t having afternoon tea. They are having 小题3:______________ at home or in restaurants. Some are going to the theatre or watching a 小题4:_______________. Some are watching television or playing games at home.

In Beijing, it’s one o’clock at night, so people aren’t having dinner. 小题5:_____________people are sleeping. Some people are still 小题6:______________ and some are going home from work.

In Los Angeles, it’s nine o’clock in the morning. People 小题7:______________sleeping. They’re working. Children are starting 小题8:______________ lessons.

In New York, it’s twelve o’clock. People aren’t working. They’re having 小题9:______________. They are eating hamburgers or hot dogs and drinking 小题10:______________ or cola. Some people are seeing friends, calling home or shopping.

海关依法可对下列哪些与进出口活动直接有关的企业、单位实施稽查：

A．从事对外贸易的企业、单位

B．从事对外加工贸易的企业

C．使用或经营减免税进口货物的企业、单位

D．从事报关业务的企业

下列与现金相关的内部控制，应提出改进建议的是（）

A.每日及时记录现金收入并定期向顾客寄送对账单

B.担任登记现金日记账及总账职责的人员与担任现金出纳职责的人员分开

C.现金折扣需经过适当审批

D.每日盘点现金并与账面余额核对

《乡关何处》______。

A．是一部20世纪中国文人的思想文化史
B．是思想文化史一部20世纪的中国文人
C．中国文人的一部思想文化史20世纪是
D．思想文化史是20世纪的一部中国文人

据报道，美国耶鲁大学的生物学家正在从事将病毒引诱到人体“陷阱细胞”中，以防止病毒繁殖的实验研究。例如，HIV通过T细胞表面的CD4识别T细胞（如图甲），如果给AIDS患者注射大量用CD4分子修饰过的红细胞（如图乙），则该红细胞也会被HIV识别、入侵。但HIV在红细胞中无法完成复制、增殖，最后随红细胞的死亡而被清除，该方法目前已经在小鼠体内获得阶段性成果。

衰老的红细胞成为（），由人体的免疫系统清除。