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【单选题】
三菱FX型PLC一个晶体管输出点输出电流是( )
A.
1A
B.
200 Ma
C.
300 mA
D.
2A
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参考答案：
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【单选题】6 The people who speak Esperanto hope that the language someday will become the international language for trade, science, and diplomacy.
A.
common
B.
unique
C.
official
D.
well-known
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【单选题】阅读材料，回答题。 Washington Irving was America’s first man of letters to beknown internationally. His works were received enthusiastically both in Englandand in the United States. He was, in fact; one of the...
A.
America’s first man of letters
B.
a writer who had great success both in and outside his owncountry
C.
a man who was able to move from literature to politics
D.
a man whose personal charm enabled him to get by withbasically inferior work
查看完整题目与答案
【单选题】根据以下资料回答 41～45 题 A large number of documents are used in the modern international trade such as marine bill ot lading, letter of credit, insurance policy, commercial invoice, packing list, air waybill...
A.
MTD
B.
B/L
C.
AWB
D.
L/C
查看完整题目与答案
【多选题】有关内脏神经的描述哪些正确
A.
交感神经低级中枢在脊髓侧角
B.
副交感神经低级中枢在脊髓骶段
C.
副交感神经节前纤维较短
D.
交感神经分布较副交感神经广泛
查看完整题目与答案
【单选题】Satellite telephones will make ______.
A.
business travelers use mobile phones on international trips
B.
possible calls from anywhere on earth to anywhere else
C.
explorers happy
D.
all above
查看完整题目与答案
【多选题】对有髓神经纤维的描述,哪些正确?
A.
由胶质细胞包裹轴突或周围突形成
B.
在结间体，轴突外包裹着髓鞘
C.
相邻结间体之间无髓鞘，称郎飞结
D.
髓鞘由胶质细胞的细胞膜反复包裹轴突而成
E.
髓鞘具有绝缘作用，迫使神经冲动的传导呈跳跃式
查看完整题目与答案
【单选题】从结构上考虑，混凝土用的粗骨料，其最大粒径不得超过构件截面最小尺寸的（    ）
A.
1/4
B.
.3/4
C.
1/3
D.
1/5
查看完整题目与答案
【多选题】列哪些项关于有髓神经纤维跳跃式传导的描述,是正确的
A.
传导速度比无髓神经纤维快得多
B.
以相邻朗飞结间形成局部电流进行传导
C.
离子跨膜移动总数多、耗能多
D.
双向传导
E.
不衰减传导
查看完整题目与答案
【单选题】The Chinese People's War of Resistance Against Japan played a great role in the international anti-Fascist war.
A.
Y
B.
N
C.
NG
查看完整题目与答案
【多选题】以下关于流感病毒生物学特点的叙述中正确的是（）
A.
有包膜，单股负链RNA，不分节段
B.
包膜刺突含有血凝素和融合蛋白
C.
正粘病毒
D.
M蛋白决定病毒的亚型
E.
抗原漂移和转换引起流感流行
查看完整题目与答案
相关题目：
【单选题】6 The people who speak Esperanto hope that the language someday will become the international language for trade, science, and diplomacy.
A.
common
B.
unique
C.
official
D.
well-known
查看完整题目与答案
【单选题】阅读材料，回答题。 Washington Irving was America’s first man of letters to beknown internationally. His works were received enthusiastically both in Englandand in the United States. He was, in fact; one of the...
A.
America’s first man of letters
B.
a writer who had great success both in and outside his owncountry
C.
a man who was able to move from literature to politics
D.
a man whose personal charm enabled him to get by withbasically inferior work
查看完整题目与答案
【单选题】根据以下资料回答 41～45 题 A large number of documents are used in the modern international trade such as marine bill ot lading, letter of credit, insurance policy, commercial invoice, packing list, air waybill...
A.
MTD
B.
B/L
C.
AWB
D.
L/C
查看完整题目与答案
【多选题】有关内脏神经的描述哪些正确
A.
交感神经低级中枢在脊髓侧角
B.
副交感神经低级中枢在脊髓骶段
C.
副交感神经节前纤维较短
D.
交感神经分布较副交感神经广泛
查看完整题目与答案
【单选题】Satellite telephones will make ______.
A.
business travelers use mobile phones on international trips
B.
possible calls from anywhere on earth to anywhere else
C.
explorers happy
D.
all above
查看完整题目与答案
【多选题】对有髓神经纤维的描述,哪些正确?
A.
由胶质细胞包裹轴突或周围突形成
B.
在结间体，轴突外包裹着髓鞘
C.
相邻结间体之间无髓鞘，称郎飞结
D.
髓鞘由胶质细胞的细胞膜反复包裹轴突而成
E.
髓鞘具有绝缘作用，迫使神经冲动的传导呈跳跃式
查看完整题目与答案
【单选题】从结构上考虑，混凝土用的粗骨料，其最大粒径不得超过构件截面最小尺寸的（    ）
A.
1/4
B.
.3/4
C.
1/3
D.
1/5
查看完整题目与答案
【多选题】列哪些项关于有髓神经纤维跳跃式传导的描述,是正确的
A.
传导速度比无髓神经纤维快得多
B.
以相邻朗飞结间形成局部电流进行传导
C.
离子跨膜移动总数多、耗能多
D.
双向传导
E.
不衰减传导
查看完整题目与答案
【单选题】The Chinese People's War of Resistance Against Japan played a great role in the international anti-Fascist war.
A.
Y
B.
N
C.
NG
查看完整题目与答案
【多选题】以下关于流感病毒生物学特点的叙述中正确的是（）
A.
有包膜，单股负链RNA，不分节段
B.
包膜刺突含有血凝素和融合蛋白
C.
正粘病毒
D.
M蛋白决定病毒的亚型
E.
抗原漂移和转换引起流感流行
查看完整题目与答案
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