小明家卫生间要安装防滑地砖，他星期天帮爸爸到市场去采购。经销商推荐了两款地砖。请

边缘过度伸展的全口义齿长期戴用后最有可能出现的组织反应是（）

A.牙龈瘤

B.脓性肉芽肿

C. * * 状增生

D.粒细胞增生性肉芽肿

E.阿弗他溃疡

洗涤是生活、生产中不可缺少的操作过程，下列有关洗涤方法中不正确的是

A．汽车修理工用汽油洗涤手上的油污

B．沾有油污的炉具，用含有氢氧化钠的清洁剂清洗

C．做完碘升华实验后的试管，用酒精洗

D．一氧化碳还原氧化铜后试管壁上留下的红色物质，用稀硫酸浸泡除去

Networks can be interconnected by different devices. In the physical layer networks can be connected by (31) or hubs, which just move the bits from one network to an identical network. One layer up we find bridges and switches which operate at data link layer. They can accept (32) , examine the MAC address and forward the frames to a different network while doing minor protocol translation in the process. In network layer, we have routers that can connect two networks. If two networks have (33) network layer, the muter may be able to translate between the packer formats. In the transport layer we find transport gateway, which can interface between two transport connections. Finally, in the application layer, application gateways translate message (34) . As an example, gateways between Internet e-mail and X.400 e-mail must (35) the e-mail message and change various header fields.

A．special

B．dependent

C．similar

D．dissimilar

审核房地产开发企业销售开发的产品，审核要点不包括下列( )。

A．将“主营业务收入”账与有关会计凭证相核对，同时核对纳税人开具的“商品房发票”和“动迁房发票”存根联，看有无分解收入、减少营业额的现象
B．将“主营业务收入”、“分期收款开发产品”等明细账与有关记账凭证、原始凭证以及销售合同相核对，看有无按合同规定应收取的销售款因实际未收到等原因而未转作“经营收入”的现象
C．将“应付账款”、“预收账款”等往来明细账与有关记账凭证、原始凭证、销售合同等相核对，看有无将收入挂往来账而不纳税的现象
D．将“固定资产清理”账与有关记账凭证、原始凭证相核对，看有无分解销售不动产销售额的现象

某企业去年的销售净利率为5.73%，资产周转率为2.17；今年的销售净利率为4.88%，资产周转率为2.88。若两年的资产负债率相同，今年的权益净利率比去年的变化趋势为下降。（）