【单选题】下列因素中,属于物理性致病因素的是( )。
【单选题】How had the man learned about the museum?
A.
He took a tour of the city.
B.
He read an article about it.
C.
He wrote an article about it.
D.
He worked there as a guide.
【单选题】下列因素中,属于物理性致病因素的是()。
【单选题】He took the () side of the argument, which was out of our expectation.
【简答题】六章2节P189某仓储企业1号库,全年收发货累计总单数为2 000单,发生差错的单数累计5单;全年收发货累计总件数50 000 000件,发生差错的件数累计为100件。企业的质量标准规定收发货差错率不得大于0.01‰。要求分别按单数和件数计算收发货差错率。结论是否相同?
【简答题】六章2节P189某仓储企业1号库,全年收发货累计总单数为2 000单,发生差错的单数累计5单;全年收发货累计总件数50 000 000件,发生差错的件数累计为100件。企业的质量标准规定收发货差错率不得大于0.01‰。 按单数 计算收发货差错率为( ) ‰ ,是否达到要求?第二空填是或否( )
【单选题】____ aware of the danger ahead, he took on the task without hesitation.
【简答题】并发操作带来的数据不一致性包括_、_、_