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【单选题】
汇总付款凭证是根据(    )编制的。
A.
收款凭证    
B.
付款凭证    
C.
转账凭证    
D.
付款收据
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参考答案：
举一反三
【简答题】铜单质及其化合物是应用极其广泛的物质。 (1)铜是氢后金属，不能与盐酸发生置换反应，但将单质铜置于浓氢碘酸中，会有可燃性气体及白色沉淀生成，又知氧化性：Cu 2 ＋ >I 2 ，则铜与氢碘酸反应的化学方程式为__________________________________ (2)已知Cu 2 O能溶于醋酸溶液或盐酸中，同时得到蓝色溶液和红色固体，则Cu 2 O与稀硫酸反应的离子方程式为____...
查看完整题目与答案
【单选题】Networks are monitored by security personnel and supervised by ____ who set(s) up accounts and passwords for authorized network users.
A.
IT managers
B.
the government
C.
network administrators
D.
password administrators
查看完整题目与答案
【单选题】Security personnel refused to _______ him or his wife into the Embassy.
A.
admire
B.
recognize
C.
admit
D.
approach
查看完整题目与答案
【单选题】曲路密封有径向和轴向曲路两种布置方式,但通常常用径向曲路,这是因为 _____________________ 。
A.
径向曲路结构简单
B.
轴向曲路结构易因温度变化的伸缩有使旋转片与固定片相接触的可能
C.
轴向曲路制造成本高
D.
径向曲路密封效果好
查看完整题目与答案
【单选题】According to the authorities, why were thousands of security personnel on duty?
A.
Because they were putting out the fire.
B.
Because they were rehearsing the fireworks show
C.
Because they were on New Year’s duty
D.
Because they were putting down a riot.
查看完整题目与答案
【多选题】以下哪些属于食源性疾病?
A.
食源性的肠道传染病（如甲型肝炎、痢疾、霍乱等）
B.
食物中毒（细菌性食物中毒、化学性食物中毒、有毒动植物中毒等）
C.
化学性有毒有害物质造成的慢性中毒性疾病（如痛痛病、水俣病等）
D.
人兽共患传染病（如疯牛病、口蹄疫等）
E.
寄生虫病（如华支睾吸虫病、旋毛虫病等）
查看完整题目与答案
【判断题】Passport control for the passengers taking international flights is conducted by security personnel.
A.
正确
B.
错误
查看完整题目与答案
【单选题】The security personnel check every attendee carefully to the successful commencement of the summit meeting.
A.
assure
B.
insure
C.
reassure
D.
ensure
查看完整题目与答案
【判断题】肝炎病毒属于人兽共患病病毒。
A.
正确
B.
错误
查看完整题目与答案
【简答题】They will work as gas station attendants, __________, housekeepers and security personnel
查看完整题目与答案
相关题目：
【简答题】铜单质及其化合物是应用极其广泛的物质。 (1)铜是氢后金属，不能与盐酸发生置换反应，但将单质铜置于浓氢碘酸中，会有可燃性气体及白色沉淀生成，又知氧化性：Cu 2 ＋ >I 2 ，则铜与氢碘酸反应的化学方程式为__________________________________ (2)已知Cu 2 O能溶于醋酸溶液或盐酸中，同时得到蓝色溶液和红色固体，则Cu 2 O与稀硫酸反应的离子方程式为____...
查看完整题目与答案
【单选题】Networks are monitored by security personnel and supervised by ____ who set(s) up accounts and passwords for authorized network users.
A.
IT managers
B.
the government
C.
network administrators
D.
password administrators
查看完整题目与答案
【单选题】Security personnel refused to _______ him or his wife into the Embassy.
A.
admire
B.
recognize
C.
admit
D.
approach
查看完整题目与答案
【单选题】曲路密封有径向和轴向曲路两种布置方式,但通常常用径向曲路,这是因为 _____________________ 。
A.
径向曲路结构简单
B.
轴向曲路结构易因温度变化的伸缩有使旋转片与固定片相接触的可能
C.
轴向曲路制造成本高
D.
径向曲路密封效果好
查看完整题目与答案
【单选题】According to the authorities, why were thousands of security personnel on duty?
A.
Because they were putting out the fire.
B.
Because they were rehearsing the fireworks show
C.
Because they were on New Year’s duty
D.
Because they were putting down a riot.
查看完整题目与答案
【多选题】以下哪些属于食源性疾病?
A.
食源性的肠道传染病（如甲型肝炎、痢疾、霍乱等）
B.
食物中毒（细菌性食物中毒、化学性食物中毒、有毒动植物中毒等）
C.
化学性有毒有害物质造成的慢性中毒性疾病（如痛痛病、水俣病等）
D.
人兽共患传染病（如疯牛病、口蹄疫等）
E.
寄生虫病（如华支睾吸虫病、旋毛虫病等）
查看完整题目与答案
【判断题】Passport control for the passengers taking international flights is conducted by security personnel.
A.
正确
B.
错误
查看完整题目与答案
【单选题】The security personnel check every attendee carefully to the successful commencement of the summit meeting.
A.
assure
B.
insure
C.
reassure
D.
ensure
查看完整题目与答案
【判断题】肝炎病毒属于人兽共患病病毒。
A.
正确
B.
错误
查看完整题目与答案
【简答题】They will work as gas station attendants, __________, housekeepers and security personnel
查看完整题目与答案
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