A.创伤急救
B.B.溺水急救
C.C.触电急救
D.D.高空急救
When a disease of epidemic proportions
threatens the public, scientists immediately get to work, trying to locate the
source of affliction and find ways to combat. Vaccination is one of the
effective ways to protect the (1) population of a region or
country which may be (2) grave risk. The process of
vaccination allows the patient’s body to (3) immunity to the
virus or disease so that, if it is encountered, one can fight it (4)
naturally. To accomplish this, a small weak or dead (5)
of the disease is actually injected into the patient in a controlled
environment, (6) his body’s immune system can learn to fight
the invader (7) . Information (8) how to
A. entire B. total C. complete D. complex [单选题]( )一般是指面粉加水调制的面坯。
A.膨松面坯 B.层酥面坯 C.米粉面坯 D.水调面坯 [单选题]下列物质各取10克时,其中所含原子最多的是( )
A. 钠 B. 镁 C. 铝 D. 铜 [单项选择]在高温场所,作业人员出现体温在39℃以上,突然昏倒,皮肤干热、无汗等症状,应该判定其为( )。
A. 感冒晕厥 B. 重症中暑 C. 中毒休克 [单选题]当发现有人触电时,首先要()电源或用绝缘材料将带电体与触电者分离开。
A.闭合 B.切断 C.将电源接地 [多选题] 在梯形图中,软继电器常开触点可与( )串联。
A.常开触点 B.线圈 C.并联电路块 D.常闭触点 E.串联电路块 [单选题]分解FS-105-2离心传感器的固定螺钉,取下离心传感器,固定螺钉应()
A.扔进垃圾桶 B.装进衣服口袋 C.随刹车装置 D.扔到飞机上 [简答题]参加调车作业的人员应做到哪些?
[判断题]生产经营单位,从业人员超过三百人的,应当设置安全生产管理机构或者配备专职安全生产管理人员。( )
A.正确 B.错误 [填空题]全集装箱船一般为大开口、单甲板,舱内设置永久()结构。
[单选题]合成纤维吊装带、棕绳和化纤绳使用后应及时清理,存放在清洁、干燥、通风的库房,并远离()。
A.电源 B.热源 C.尖锐物 D.带电体 [单选题]简支粱传至墩台上的纵向水平力数值中固定支座为全孔的( )。
A.60% B.80% C.100% D.40% [多选题]人民行使国家权力的机关是()。
A. 全国人民代表大会 B. 地方各级人民代表大会 C. 各级人民政府 D. 人民法院 [单项选择]In the past few decades, remarkable findings have been made in ethology, the study of animal social behavior. Earlier scientists had (21) that nonhuman social life was almost totally instinctive or fixed by genetics. Much more careful observation has shown that (22) variation occurs among the social ties of most species, showing that learning is a part of social life. That is, the (23) are not solely fixed by the genes (24) , the learn ing that occurs is often at an early age in a process that is called imprinting. Imprinting is clearly (25) instinctive, but it is not quite like the learning of humans; it is something in between the two. An illustration best (26) the nature of imprinting. Once, biologists thought that ducklings followed the mother duck because of instincts. Now we know that, shortly (27) they hatch, ducklings fix (28) any object about the size of a duck and will henceforth follow it. So ducklings may follow a bas
A. What’s more B. Hence C. But D. However [判断题]旅客登机过程中,航空安全员应重点观察旅客的可疑行为。
A.正确 B.错误 我来回答: 提交
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