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【简答题】
阅读短文,回答问题。 Sam likes eating fish very much. He often buys fish in the shop and takes them home. One day his wife sees the fish and thinks, 'Good! Now, I can ask my friends to have lunch and we can eat the fish. They like fish very much. ' When Sam comes home from work in the evening, the fish is not there and his wife says, 'Oh, your cat eats it. 'And then she gives him some bread for his supper. Sam is angry (生气). He takes the cat and his wife to a shop near his house and weighs (称) the cat. Then he turns to his wife and says, 'My fish weighs one kilo. The cat weighs one kilo, too. My cat is here, you see, then, where is my fish? ' 1. What does Sam like eating very much? _______________________________. 2. Who eat the fish that day? _______________________________. 3. How much does the fish weigh? _______________________________. 4. What does Sam's wife give him for supper? _______________________________. 5. Can you guess if (是否)Sam knows where the fish is? _______________________________.
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【简答题】发出波长为 5460A 的绿光入射到宽度为 0.237mm 的单缝上,缝后放一个焦距为 40cm 的透镜。试求在焦平面上出现的衍射条纹中,中央明纹的线宽度。又若光源中有波长为 5770A 的黄光。问两光第一级明纹之间距离是否7.85×10 -5 m ,直接回答“是”或“否”。
【单选题】当排水系统采用塑料管时,为消除因温度所产生的伸缩对排水管道系统的影响,在排水立管上应设置() 。
A.
方形伸缩器
B.
伸缩节
C.
软管
D.
弯头
【单选题】男性,23岁。刷牙时牙龈出血半年。检查:全口牙牙石(+)~(++),牙面有色素,牙龈缘及龈乳头轻度水肿,色略红,探诊后牙龈出血,探诊深度3,未探查到附着丧失。最可能的诊断是
A.
药物性牙龈增生
B.
慢性牙周炎
C.
坏死性龈炎
D.
慢性龈炎
E.
侵袭性牙周炎
【单选题】男性,23岁。刷牙时牙龈出血半年。检查:全口牙牙石(+)~(++),牙面有色素,牙龈缘及龈乳头轻度水肿,色略红,探诊后牙龈出血,探诊深度3mm,未探查到附着丧失。最可能的诊断是
A.
药物性牙龈增生
B.
慢性牙周炎
C.
坏死性龈炎
D.
慢性龈炎
E.
侵袭性牙周炎
【判断题】刃磨刀具时,不能用力过大,以防打滑伤手。 正确
A.
正确
B.
错误
【简答题】男性,23岁。刷牙时牙龈出血半年。检查:全口牙牙石(+)~(++),牙面有色素,牙龈缘及龈乳头轻度水肿,色略红,探诊后牙龈出血,探诊深度3ram,未探查到附着丧失。最可能的诊断是
【单选题】男,23岁。刷牙时牙龈出血半年。检查:全口牙牙石(+)~(++),牙面有色素,牙龈缘及龈乳头轻度水肿,色略红,探诊后牙龈出血,探诊深度3mm,未探查到附着丧失。最可能的诊断是
A.
药物性牙龈增生
B.
慢性牙周炎
C.
坏死性龈炎
D.
慢性龈炎
E.
侵袭性牙周炎
【单选题】发出波长为5460A的绿光入射到宽度为0.237mm的单缝上,缝后放一个焦距为40cm 的透镜。试求在焦平面上出现的衍射条纹中,中央明纹的线宽度。又若光源中有波长为5770A的黄光。问两光第一级明纹之间距离。( )。
A.
2.84mm ,,7.85x10-5m
B.
1.84mm ,,6.85x10-5m
C.
2.84mm ,,7.85x10-5m
D.
1.84mm ,,7.85x10-5m
【判断题】财务分析报告从编写的时间来划分,可分为两种:一是定期分析报告,二是非定期报告。()
A.
正确
B.
错误
【单选题】气的分类不包括
A.
元气
B.
宗气
C.
源气
D.
营气
E.
卫气
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