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搜题
【单选题】
教师义务是指法律对教师从事教育活动的一定行为的约束。( )
A.
正确
B.
错误
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【单选题】How many GMDSS operators are needed/required on board according to the provisions of the International Convention for the Safety of Life at Sea,1974?______.
A.
4 operators
B.
3 operators
C.
2 operators
D.
1 operator
【单选题】价值工程是以( )为核心。
A.
价格分析
B.
数量分析
C.
质量分析
D.
功能分析
【单选题】The advertisers and the website operators have the conflict caused by ______.
A.
the fraud click.
B.
the ignoring of fraud-detection from website operators.
C.
losing money in 'pay-per-click' advertising.
D.
whether the PPA model should be used.
【单选题】经产妇,36岁。孕32周,水肿1周,血压150/100mmHg,宫高26cm,胎心144次/分,水肿(++),尿蛋白(++)。最可能的诊断是
A.
轻度妊娠高血压综合征
B.
中度妊娠高血压综合征
C.
重度妊娠高血压综合征
D.
先兆子痫
E.
子痫
【单选题】How many operators are needed/required on board according to the provisions of the International Convention for the Safety of Life at Sea,1974? ______.
A.
4 operators
B.
3 operators
C.
2 operators
D.
1 operator
【判断题】小肠绒毛是小肠特有的结构和功能单位。
A.
正确
B.
错误
【单选题】经产妇,36岁。孕32周,水肿1周,血压150/100mmHg,宫高26cm,胎心144次/分,水肿(++),尿蛋白(++)。不需采取的措施是
A.
卧床休息行左侧卧位
B.
给予地塞米松
C.
给予硫酸镁
D.
给予地西泮
E.
给予肼屈嗪
【简答题】与小肠相比,结肠的主要结构特征是具有( )、( )和( )。
【单选题】It can be concluded from the passage that ______.
A.
media operators should be highly sensitive to intensifying competition
B.
transaction between NWS and Hughes won't pose a threat to media industry
C.
integrated media operators have advantages in the competitive media world
D.
regulatory surveillance helps operators leverage their operating efficiencies
【简答题】三苯甲醇是一种重要有机合成中间体,可以通过下列原理进行合成: 实验步骤如下: ①如图1所示,在三颈烧瓶中加入A,1.5 g镁屑,在滴液漏斗中加入,6.7 mL溴苯和无水乙醚,先加人1/3混合液于烧瓶中,待镁屑表面有气泡产生时,开始搅拌,并逐滴加入余下的混合液,使反应液保持微沸状态,至反应完全。 ②继续加,A,3.7 g苯甲酰氯和无水乙醚,水浴回流l h 后,在冷水浴下慢慢滴加氯化铵的饱和溶液30....
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