苯福林与甲状腺素合用可使A．苯福林升压作用减弱 B．苯福林β作用增强 C．苯福林可致

内地游客到青藏高原时，会头晕、耳鸣、甚至出现呕吐情况，其主要原因是在青藏高原上空气稀薄，大气压强　  　一个标准大气压（选填“大于”、“等于”、“小于”）．测量大气压的仪器叫　    　．

下列是典型心绞痛的心电图改变的是（）

A.面对缺血区导联ST段水平压低≥0.1mV，T波倒置

B.面对缺血区导联ST段抬高，T波高尖

C.面对缺血区导联Q波加深，深度≥R波的1/4

D.面对缺血区导联Q波加宽，宽度≥0.04s

E.QRS波群宽大畸形

省分行自2010年起，按（）收取各二级分（支）行的实物黄金租赁利息。

A、日

B、月

C、季

D、年

关于违约金的说法错误的是( )。

A．约定的违约金低于造成的损失的，当事人可以请求人民法院或者仲裁机构予以增加

B．约定的违约金高于造成的损失的，当事人可以请求人民法院或者仲裁机构予以适当减少

C．违约金可分为约定违约金和法定违约金

D．违约人支付违约金后就免除了继续履行其责任的义务

Passengers must exit airplanes swiftly after accidents, since gases released following accidents are toxic to humans and often explode soon after being released. In order to prevent passenger deaths from gas inhalation, safety officials recommend that passengers be provided with smoke hoods that prevent inhalation of the gases.
Which of the following, if true, constitutes the pest reason not to require implementation of the safety officials’ recommendation

A．Test evacuations showed that putting on the smoke hoods added considerably *o the overall time it took passengers to leave the cabin.

B．Some airlines are unwilling to buy the smoke hoods because they consider them to be prohibitively expensive.

C．Although the smoke hoods protect passengers from the toxic gases, they can do nothing to prevent the gases from igniting.

D．Some experienced flyers fail to pay attention to the safety instructions given on every commercial flight before takeoff.

E．(E) In many airplane accidents, passengers who were able to reach emergency exits were overcome by toxic gases before they could exit the airplane.