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搜题
【单选题】
类风湿性关节炎最常受累的关节是A.
髋关节
B.
脊柱小关节
C.
四肢小关节
D.
腕、踝、肘关节
E.
肩关节
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反馈参考答案：
举一反三
【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
【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
【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.
【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）
【判断题】Passport control for the passengers taking international flights is conducted by security personnel.
A.
正确
B.
错误
【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
【判断题】加水到距环形标线 1cm 左右,等待 1-2min ,使粘附在瓶颈内壁的溶液流下,用滴管在容器上方垂直,眼睛平视标线,慢慢滴加,直至溶液的弯月面与标线相切为止。
A.
正确
B.
错误
【简答题】They will work as gas station attendants, __________, housekeepers and security personnel
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