A,B两宗房地产，A房地产收益年限为50年，单价为2000元/m，B房地产收益年限为30年，单价为1800元/m，资本化平均为6%。

A房尤限年价格为( )元/m。

A:2422．8 B:2432．1 C:2114．8 D:以上均不对

假定有A,B两个项目，其净现金流量情况见表6-2:

项目A的投资回收期是( )年。

A:2.20 B:2.25 C:3.20 D:3.25

某多层钢筋混凝土框架结构房屋，抗震等级为二级，结构安全等级二级。其中，某根框架梁A-B在考虑各种荷载与地震作用的基本组合下的截面控制内力设计值如表6-1所示。框架梁截面尺寸6xh＝300mmx650mm，C25混凝土，纵向受力钢筋为HRB400级，箍筋为HRB335级。单排布筋，a＝a＝40mm，双排布筋，a＝a＝70mm。

若框架梁底部纵筋配置为325，直通锚入柱内，则框架梁A支座截面上部的纵向钢筋配置，下列何项数值最合适？提示：不需验算梁端顶部和底部纵筋截面面积的比值要求。

A:522 B:525 C:622 D:625

某女性患者，58岁，因房室传导阻滞植入起搏器。图A为植入起搏器后3月复查的心电图，图B为植入起搏器后6月复查的心电图。

图A提示

A:右心房起搏 B:右心室起搏 C:左心房起搏 D:左心室起搏 E:双腔起搏

某男，46岁，主诉乏力6个月，伴左上腹饱胀感。体检：浅表淋巴结未及，肝未及，脾肋下5cm。RBC3．6×10／L，HGB100g／L，WBC150×10／L，PLT300×10／L。分类：原粒0．03，早幼粒0．03，中幼粒0．1，晚幼粒0．4，杆粒0．34，嗜碱性粒细胞0．02，中性粒细胞碱性磷酸酶染色阴性

3年后患者出现发热，贫血加重，脾大，脾肋下6cm。HGB80／L，WBjC200×10／L，PLT1000×10／L。骨髓检查：原粒0．12，早幼粒0．3，嗜碱性粒细胞0．25，应是

A:慢性粒细胞白血病加速期 B:慢性粒细胞白血病急淋变 C:慢性粒细胞白血病急粒变 D:慢性粒细胞自血病急单变 E:慢性粒细胞白血病与急性粒细胞白血病并存

某女性患者，56岁，缺失，颊向倾斜，余牙正常，设计铸造支架修复。

铸造支架设计范围应到

A:└2 B:└3 C:└4 D:└5 E:└6

某女性患者，56岁，缺失，颊向倾斜，余牙正常，设计铸造支架修复。

如铸造支架设计到对侧，其连接方式应为

A:中腭杆 B:后腭杆 C:腭板 D:网状支架 E:前腭杆

某女性患者，56岁，缺失，颊向倾斜，余牙正常，设计铸造支架修复。

应设计的卡环为

A:正型卡环 B:环形卡环 C:对半卡环 D:应力中断式卡环 E:臂卡环

缺失，患者要求做可摘局部义齿修复。设计为上放置间隙卡环

选择人工牙的根据是

A:选择与大小、形态相似的人工牙 B:选择与大小合适的人工牙 C:选择与形态相似的人工牙 D:选择与形态，颜色相似的人工牙 E:参考同名牙和邻牙选择大小，形态和颜色相似的人工牙

A Powerful Influence

    There can be no doubt at all that the Internet has made a huge difference¹ to our lives. Parents are worried that children spend too much time playing on the Internet, hardly (1) ______ doing anything else in their spare time. Naturally, parents are (2) ______ to find out why the Internet is so attractive, and they want to know if it can be (3) ______ for their children. Should parents worry if their children are spending that much time (4) ______ their computers?

    Obviously, if children are bent over their computers for hours², (5) ______ in some game, instead of doing their homework, then something is wrong. Parents and children could decide how much use the child should (6) ______ of the Internet, and the child should give his or her (7) ______ that it won’t interfere with homework. If the child is not (8) ______ to this arrangement, the parent can take more drastic (9) ______ dealing with a child’s use of the Internet is not much different from (10)______ any other sort of bargain about behaviour.

    Any parent who is (11) ______ alarmed about a child’s behaviour should make an appointment to (12) ______ the matter with a teacher. Spending time in front of the screen does not (13) ______ affect a child’s performance at school. Even if a child is (14) ______ crazy about using the Internet, he or she is probably just (15) ______ through a phase, and in a few months there will be something else to worry about!

词汇：

drastic /ˈdræstɪk / adj．严厉的，极端的

phase /feɪz / n．阶段，时期

arrangement /əˈreɪndʒmənt /n．安排

注释：

1．…make a huge difference…：……造成巨大改变……

空6

A:do  B:have C:make D:create