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【单选题】
被预防肺结核的发生和流行,在下列措施中最为关键的一环是。
A.
自出生后开始定期接种卡介苗
B.
隔离排菌结核患者
C.
合理化疗治愈排菌患者
D.
加强营养、锻炼身体增强抵抗力
E.
为易感者及密切接触排菌患者预防性投药
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举一反三
【单选题】1 6 . The sentence “ The milk that the rat that the cat killed ate lay in the house ” shows that language has the feature of _________.
A.
a. arbitrariness
B.
b. duality
C.
c. creativity
D.
d. displacement
【单选题】高血压的并发症通常主要受累的脏器包括:
A.
心脏、脑、肾脏、肺、血管
B.
心脏、肺、胰脏、眼、动脉
C.
肾脏、脑、心脏、胰脏、眼
D.
肾脏、眼、胃肠、脑、心脏
E.
心脏、脑、肾脏、眼、血管
【单选题】电镜X线显微分析中,冷冻样品后用冷冻超薄切片的厚度是多少
A.
10-200nm
B.
100-200nm
C.
200nm-2μm
D.
2-40µm
E.
50µm
【单选题】经初始化机预先赋值且具有较长有效期的单程票为( )。
A.
预制单程票
B.
普通单程票
C.
过期单程票
D.
月票
【单选题】为了在一定的范围内获得最佳的秩序,对现实问题或潜在问题制定( )和重复使用的条款的活动。
A.
共同使用
B.
行业使用
C.
国家使用
D.
企业使用
【单选题】Two rats are given exactly the same amount of electric shock. However, one rat hears a buzzer 10 seconds before each shock, while the other rat hears nothing. Which rat do you think has a worse physic...
A.
The rat that hears the buzzer and knows that the shock is coming.
B.
The rat that gets no warning and cannot predict when the shock is going to come.
【单选题】关于RAT叙述正确的是()
A.
只有飞机在地面上时才能将RAT收回
B.
地面和空中都会自动收回。只要相关系统恢复正常
C.
RAT一旦放出便不能收回
【单选题】有关RAT正确的是
A.
RAT在空中可收回
B.
RAT在地面不能放出
C.
飞机在空中,失去交流电源且速度大于100节时自动放出
D.
只按HYD RAT MAN ON电门不能放出
【单选题】How did Gulliver kill the rat in the bedroom?
A.
He pulled out his sword and cut open the rat's stomach.
B.
He hung the rat on a rope.
C.
He plunged the rat into the cold water and drowned it.
D.
He killed the rat with a knife.
【单选题】One method of controlling rats on vessels is by rat-proofing. Rat-proofing is accomplished by ().
A.
installing rat guards on the mooring lines when in port
B.
keeping foods protected and avoiding the accumulation of garbage
C.
eliminating possible living spaces for rats when the ship is constructed
D.
trapping and/or poisoning the rats
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