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【简答题】
淀粉浆作为黏合剂 , 最常用的浓度是( ) A. 10% B. 30% C. 20% D. 25%
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【单选题】将燃着的 H 2 S 气体通入盛有一定量 O 2 的集气瓶内,可能发生以下反应 1 2H 2 S+3O 2 →S+2H 2 O 2 2H 2 S+SO 2 →3s+2H 2 O 3 2H 2 S+3O 2 →2SO 2 +2H 2 O 则上述三个反应的先后顺序是
A.
①③②
B.
③②①
C.
①②③
D.
③①②
【多选题】关于生成树中桥优先级的配置,以下说法正确的有
A.
桥的优先级共16位,取值范围为0-65535
B.
如果交换机没有配置桥的优先级,则默认取值为32768
C.
桥优先级的取值步长为4096
D.
优先级取值越小表明该桥的优先级越低
【单选题】3月300名大学生在华盛顿抗议削减学生贷款基金的提案。另外有35万大学生在3月期间涌向佛罗里达的阳光海滩度“春假”。因为在佛罗里达晒太阳的人数要多一些,所以他们比在华盛顿抗议的学生更能代表当今的学生,因此国会无需注意抗议学生的呼吁。上面的论证进行了下面哪个假定?
A.
在佛罗里达度假的学生不反对国会削减学生贷款基金提案。
B.
在佛罗里达度假的学生在削减学生贷款基金提议问题上与大多数美国公民意见一致。
C.
在华盛顿抗议的学生比在佛罗里达度假的学生更关心其学业。
D.
既没去华盛顿抗议也没有去佛罗里达度假的学生对政府的教育政策漠不关心。
E.
影响议会关于某政治问题的观点的最好方法是华盛顿与其选举出来的代表交流。
【判断题】行进间单手肩上投篮的优点在于出手点低,易用身体保护。
A.
正确
B.
错误
【单选题】光合作用过程中物质的转变途径,错误的是 [     ]
A.
氧原子:H 2 O→ O 2
B.
氢原子:H 2 O→ H 2 → C 6 H 12 O 6
C.
碳原子:CO 2 →  C 3 化合物→ C 6 H 12 O 6
D.
氧原子:CO 2 → C 3 化合物→ C 6 H 12 O 6 +H 2 O
【多选题】一般来说,上市公司通过( )等形式向投资者披露其经营状况的有关信息。
A.
定期报告
B.
年度报告
C.
中期报告
D.
临时公告
【单选题】听力原文:W: It was such a heavy fog day yesterday and today it's such a fine day. Why don't we climb the mountain? M: Oh, I would love to, Susan, but I have been sick for a few days and all that exercise ...
A.
He wouldn't go because he didn't feel well.
B.
He wouldn't go because he didn't like Susan.
C.
He would go because that exercise might do him good.
D.
He would go though he was sick.
【单选题】4岁小儿,先心病,平时无发绀,X线检查肺动脉段突出,肺门血管影增粗,肺野充血,左心室及左心房增大,主动脉结影增宽,诊断考虑:
A.
房间隔缺损
B.
室间隔缺损
C.
动脉导管未闭
D.
法乐四联症
【单选题】听力原文:W: It was such a heavy fog day yesterday and today it's such a fine day. Why don't we climb the mountain? M: Oh, I would love to, Susan, but I have been sick for a few days and all that exercise ...
A.
He wouldn't go because he didn't feel well.
B.
He wouldn't go because he didn't like Susan.
C.
He would go because that exercise might do him good.
D.
He would go though he was sick.
【单选题】——Why, this is nothing but common vegetable soup! ——, madam. It’s our soup of the day.
A.
Let me see
B.
So it is
C.
Don’t mention it
D.
Neither do I
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