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【简答题】
克隆技术、转基因技术等都属于 生物技术。
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皮皮学刷刷变学霸
举一反三
【单选题】用原子吸收光度法测定铷时,加入 1 %的钠盐溶液,其作用是 ( )
A.
减小背景
B.
释放剂
C.
消电离剂
D.
提高火馅温度
【简答题】?用原子吸收光度法测定铷时,加入1%的钠盐溶液,其作用是A. 释放剂 B. 减小背景 C. 消电离剂 D. 提高火焰温度
【简答题】试述小儿贫血的诊断标准
【单选题】The law of supply and demand will eventually take care of a shortage or __________ of dentists.
A.
surge
B.
surplus
C.
flush
D.
fluctuation
【单选题】单位时间内完成的焊缝长度称为 。
A.
焊接速度
B.
工作效率
C.
熔敷速度
D.
熔敷系数
【单选题】The law of supply and demand will eventually take care of a shortage or ______ of dentists.
A.
surge
B.
surplus
C.
flood
D.
fluctuation
【单选题】用原子吸收光度法测定铷时,加入1%的钠盐溶液,其作用是
A.
减小背景
B.
释放剂
C.
消电离剂
D.
提高火焰温度
【简答题】Until the middle of 19th century, all inventions by women ______under the law.
【单选题】take the law into their own hands.
A.
to solve the problem by themselves
B.
to break or violate the law
C.
to explain the clauses in the law
D.
to understand the law as they
【单选题】The 18th century thinkers came to take __________ as the measure of all existences whether viewed in the natural law or in man.
A.
Reason
B.
Religion
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