流行性脑脊髓膜炎的病原菌是()。 A.革兰阴性杆菌 B.抗酸杆菌 C.革兰阴性球菌

题型:单项选择题 A1型题

问题:

流行性脑脊髓膜炎的病原菌是()。

A.革兰阴性杆菌

B.抗酸杆菌

C.革兰阴性球菌

D.革兰阳性球菌

E.革兰阴性弧菌

考点:中医执业助理医师中医执业助理医师真题(四)·第一单元
题型:单项选择题 A1型题

关于证券经纪业务,以下表述正确的有()

A.在证券经纪业务中,委托人的指令具有权威性

B.经纪商可以根据情况变化,自行改变委托人的委托价格

C.经纪商无故违反委托人指示并使其遭受损失的,应承担赔偿责任

D.证券经纪商泄漏客户资料而造成客户损失,证券经纪商只承担连带赔偿责任

题型:单项选择题 A1型题

31岁已婚妇女,月经规律4~5天/21~23天,曾3年不孕,后来两次早孕自然流产,原因不明,计划近期再次怀孕,前来咨询。

以下分析哪项诊断可能性大()

A.遗传疾病

B.黄体功能不足

C.子宫肌瘤

D.生殖道畸形

E.子宫内膜息肉

题型:单项选择题 A1型题

特征变换

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A patrol team of sea lions and dolphins featured in a large-scale military exercises being conducted by the U. S. and its allies in the Pacific Ocean. The machine (1) took part in simulated mine recovery and mine detection missions during the biennial Rim of the Pacific Exercise (RIMPAC) war games. The (2) started on June 19 and will run (3) Friday.
"There are a number of mechanical systems that work in those areas. (4) high-tech gadgets deployed by the military can’t (5) the natural skills of dolphins and lions," said Tom Lapuzza, spokesman for UN Navy’s Marine Mammal Program. Sea lions have "incredible good underwater (6) " and can dive down to 300 meters to catch a recovery line to a mine, he said. Dolphins use sonar to (7) mine.
Human beings have a long (8) of training animals to join the military. Horses have been the most widely-used animals (9) the recorded history of (10) . In early times, horses were used to (11) chariots or to (12) armored forces. With the development of modem weapons and motorized (13) , the use of horses for military purposes fell into (14) . (15) , horses were still used (16) by the German army during World War II for transporting (17) and equipment, including artillery.
During World War II, (18) with explosives strapped to their backs were used as anti-tank weapons. In other (19) , they were used for detecting mines. Some dogs were also used as messengers.
Other animals have also (20) in the military. Recorded history shows the use of elephants for military purposes as early as 1,100 B. C.. They were employed during World War II by both the Japanese army and the (21) .
There are records showing that over 100,000 reindeer were used by Finland to tow sleds during World War II. They carried the (22) to hospitals, brought supplies to the troops and moved heavy anti-tank weapons. It is well documented that oxen have been (23) used in war as improvised beasts of burden. During World War II, spiders were employed by the Allies to spin silk for (24) in cross-hairs on bomb scopes and other optical instruments. People also are finding that Vampire bats’ ability to use echolocation is very interesting as we (25) to learn how it works and it may benefit the army.

题型:单项选择题 A1型题

简述海洋生态环境被污染和破坏的事例。

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