在团体意外伤害保单下，被保险人脱离投保团体时（）。 A.向投保人退还保费 B.减少保

以下提供若干组考题，每组考题共同使用在考题前列出的A、B、C、D、E五个备选答案。请从中选择一个与问题关系密切的答案，每个备选答案可能被选择一次、多次或不被选择。

伤寒其临床症状是

A．高热、惊厥、休克、呼吸衰竭、脓血便
B．高热、昏迷、抽搐、呼吸衰竭
C．持续发热、相对缓脉、玫瑰疹
D．发热、头痛、呕吐、皮肤瘀点、脑膜刺激征
E．剧烈腹泻、水泔样便、无热、无腹痛、全身脱水、低血容量性休克

质量流量表示单位有哪些？

以下不属于仓库管理系统技术范围的是（）

A、人工智能仿真技术

B、条形码技术

C、无线通讯技术

D、计算机系统

抗菌药物选择最理想的根据是

A．脓液的性状

B．不同抗菌药的抗菌谱

C．联合、足量、广谱

D．细菌培养和药敏结果

E．全身状况

Seasick Try Controlling Your Breathing

If you get seasick easily, you may prepare for boat rides with pressure-point bracelets, ginger, or a prescription skin patch. (1) The technique presumably works because it helps control gravity sensors in the abdomen-a lesser-known input to our fine-tuned balance system.
(2) The inner ears sense motions of the head; the eyes see where the head is; and tiny sensory organs in muscles and tendons sense where the rest of the body is. More recently, researchers have realized that sensors in many other parts of the body also play a role: in the abdomen, the lower organs, and even blood vessels. (3) But if one or two don’t match up, the brain gets confused and we become nauseated.
Scientists knew the most sickening motions closely match the rate of natural breathing; they also knew that people naturally tend to breathe in time with a motion. (4)
Researchers from Imperial College London enlisted 26 volunteers to sit in a tilting, rocking flight simulator and coordinate their breathing in various ways with the motion. (5) The natural tendency was for volunteers to inhale on every backward tilt, in rhythm with the rocking. (6) They felt even better if they breathed slightly faster or slower than the cyclic heaving of the chair; using that technique, the time until onset of nausea was 50% longer than during normal breathing.
(7) Abdominal sensors are known to send motion signals to the brain more slowly than those in the inner ear because they’re farther away from the brain and because abdominal organs have more mass, which means they resist movement a tiny bit longer. (8) But if the diaphragm opposes gravity-induced stomach motions with controlled breaths, there is less sensory conflict and less nausea. "This technique is very good for mild everyday challenges," says medical research scientist Michael Gresty, a member of the study team. "it’s completely safe, and it’s not a drug."
A. But if the subjects exhaled on every backward tilt, they didn’t get sick as quickly.
B. As long as all of these sensors send matching signals to the brain, we feel oriented.
C. Now there’s one more remedy: timing your breathing to counteract the nauseating motion.
D. So why do these tactics work
E. The brain is traditionally thought to sense body position in three ways.
F. The time lag between the two types of sensors creates a mismatch that builds up in the brain and makes us gradually sicker, the researchers say.
G. The tests lasted up to 30 minutes, or until subjects felt moderately sick.
H. But no one had ever tested whether breathing out of time with a motion could prevent nausea.