从《南京条约》到《马关条约》反映出列强侵华的发展趋势是（）A、从经济侵略到政治侵略B

患者，女性，40岁。右足趾部色素斑35年，糜烂、渗出2个月。患者5岁时即发现其右足趾部有一针尖大小的黑点，随年龄逐渐长大至直径为5mm的色素斑。2个月前，患者干农活时，不慎扎破脚，正好为色素斑处，外用抗生素软膏，创面不愈合，且见色素斑扩大。无其他系统性疾病史。查体：右足趾前部有一直径2cm大小圆形糜烂面，表面少量渗液，中央有一大致呈圆形、直径约1cm的黑色斑；未触及浅表淋巴结肿大。本病例应首先考虑的诊断为（）。

A.色素痣继发感染

B.色素型基底细胞上皮瘤

C.鳞状细胞癌合并色素痣

D.创伤性湿疹合并色素痣

E.色素痣恶变

Complete the sentences with the given words in their proper forms（用括号中所给单词的适当形式完成下列句子，每空格限填一词)  (共8分)

小题1:Saturday is the ___________ day of a week. (seven)

小题2:Usually people are afraid of ___________ because they may eat humans. (wolf)

小题3:Lei Feng is a good example for us to learn to ___________ the people. (service)

小题4:If people still don’t care enough for the environment, the air will become much ___________. (bad)

小题5:We can learn a lot from ___________ events. (history)

小题6:It is good for you to do all the homework ___________. (you)

小题7:Being kind to others and giving a hand to them when necessary is ___________helpful.

(usual)

小题8:In order to be safer, we have to ___________ that bridge. (builD.  

敷设在钢筋网上的波纹管，宜绑扎在钢筋的下侧，固定间距( )。

A．不大于1.5m
B．不小于1.5m
C．不大于0.5m
D．不小于0.5m

会计核算软件具有查询机内会计数据的功能，发现错账时，可以随时修改。 ( )

桥式起重机端梁是重要构件。