甲公司将闲置锅炉卖给了乙公司，锅炉在大修，甲公司与乙公司约定锅炉大修完成后买卖合同生效，以下说法正确的是()

With stereotypes, people tend to______.

A．react to each other on a regular basis

B．describe other cultures with labels

C．take their own culture as the best of all

D．see different cultures in different ways

According to the passage, depressed people tend to______.

A．lead a regular space of life and whereabouts

B．spend a lot of time in just one or two places

C．be addicted to the games in the phone

D．avoid going to work and meeting their colleagues

A、all public companies to issue reports on internal controls.

B、all public companies to define adequate internal controls.

C、the auditor of public companies to design effective internal controls.

D、the auditor of public companies to withdraw from an engagement if internal controls are weak.

As to the issue of drug approval, ______.

A．to judge whether a drug is safe enough should rely on objective measures

B．drug companies usually study for years to prove the safety and effectiveness of a drug

C．drug companies prefer surrogate endpoints in the process of drug approval because F.D.A.encourages them to do so

D．drug companies rely heavily on surrogated endpoints because this way of measurement takes less time and money