【单选题】对于 721 型分光光度计,说法不正确的是( )
【单选题】When a put option is exercised, the seller of a put______.
A.
is short the underlying asset
B.
is long the underlying asset
【单选题】They are put lo work when young, and they stay ______.
【单选题】The meeting _________ because of the bad weather.
【单选题】下列因子中不属于园林建设工程预算主要编制依据的是()。
C.
基本建设材料预算价格及有关材料调价规定,人员工资标准,施工机械台班
【单选题】They ______ a tent and got ready for the night when evening came.
【单选题】下列对集装箱底盘车系统描述错误的是( )。
【单选题】They are put to work when young, and they stay ______.