【单选题】人寿保险的被保险人或者受益人向保险人请求给付保险金的诉讼时效期间自何时起开始计算( )。
【单选题】下表关于基因工程中有关基因操作的名词及对应的内容,正确的组合是()
【单选题】下列属于控制选择性偏倚的方法是
B.
尽量在多个医院选择一定时期内符合标准的新发病例
D.
资料分析阶段采用分层分析或多因素分析模型处理
【单选题】下表关于基因工程中有关基因操作的名词“供体-剪刀-针线-运载体-受体”及对应的内容,正确的组合是?
A.
质粒-限制性内切酶-DNA连接酶-提供目的基因的生物-大肠杆菌等
B.
提供目的基因的生物-DNA连接酶-限制性内切酶-质粒-大肠杆菌等
C.
提供目的基因的生物-限制性内切酶-DNA连接酶-质粒-大肠杆菌等
D.
大肠杆菌等-DNA连接酶-限制性内切酶-提供目的基因的生物-质粒
【单选题】A bagel shop sells fresh baked bagels from 5 a.m. until 7 p.m. every day. The shop does not sell day-old bagels, so all unsold bagels are thrown away at 7 p.m. each day. The cost of making and selling...
A.
Lower the price of the remaining bagels, even if the price falls below $1.00 per dozen.
B.
Lower the price of the remaining bagels, but still above $1.00 per dozen.
C.
Throw the bagels away and produce 8 fewer dozen bagels tomorrow.
D.
Starting tomorrow, lower the price on all bagels so they will all be sold earlier in the day.
【简答题】Fill in the blanks using the proper forms of the given words. 1. Clouds across the sky. 2. Dry wood makes a good . 3. Within minutes the whole building was . 4. Two of the soldiers swiftly began makin...
【单选题】The advantages of joining a student association far outweigh the disadvantages.
F.
MA=making announcement