下列哪项不是中毒型菌痢的临床特征（） A.急性高热，反复惊厥，昏迷 B.腹痛、腹泻明

Currently 94% of Web users use either Internet Explorer or Firefox, but recently some new (71) have been developed that are beginning to attract attention. The browser Opera is becoming very (72) because of its speed, it is currently the world’s fastest browser, and because it is much smaller (73) existing browsers (it can almost fit on a single diskette). It can also (74) the last Web page you visited, so the next time you surf, you can start where you left off. And like the big two, you can get it for free; the catch is that you have to watch blinking ads in one comer, or pay ＄40 for the ad-free (75) of Opera.

A．beyond

B．so

C．than

D．as

针对集团客户（）的特征，强化集团客户资金监控工作，防止信贷资金在集团内部不同项目、不同成员之间随意流动。

A.关联交易隐蔽

B.融资主体多元

C.资金集中管理

D.以上均是

发电机转子回路两点接地保护投入后，应将横差保护退出运行。（）

某女，月经周期为24～25天，经量点滴即净，伴腰膝足跟疼痛，头晕耳鸣，小腹冷，舌淡，脉沉弱，诊断为（）

A.月经先期

B.经行身痛

C.月经过少

D.经行眩晕

E.痛经

关于螺旋桨反桨的说法，下列正确的是：（）.

A.反桨是桨叶角变到最大，便于在地面产生负拉力

B.反桨是桨叶角变到最小，便于发动机空中起动

C.反桨是桨叶角变到最小，便于在地面产生负拉力

D.反桨是桨叶角变到最大，便于在空中产生负拉力