建设工程招标投标活动中，自投标截止时间到投标有效期终止之前，关于投标文件处理的叙述，正确的是（

A．Sour

B．Bitter

C．Salty

D．Acrid

A map is an example of a visual aid, which can be used to stimulate interest.()

A．Sour

B．Bitter

C．Salty

D．Acrid

Which of the following adjectives can be used to descibe Joe？

A．Funny.

B．Clever.

C．Brave.

D．Stupid.

gene therapy, in which one or more genes are injected into the patient to replace those that are absent or not working properly. This approach has been used to treat heart disease and many forms of cancer. The second way to exploit genes to treat disease is known as small-molecule therapy. In this approach, a small-molecule (that is a drug) is given to the patient to modify the function of one or more genes in the body.

According to the speaker, small-molecule therapy can be used to ______.

A．replace genes not functioning properly in the body

B．increase the number of genes working properly in the body

C．modify the function of some genes in the body

D．replace genes absent in the body

Which of the following adverbs can NOT be used to complete "______everybody came"？

A．Nearly

B．Quite

C．Practically

D．Almost

Which of the following adjectives can't be used to describe Chekhov？

A．Sensitive.

B．Cool.

C．Quick-minded.

D．Warm-hearted.

Why can Li-Fi related devices be used on a plane？

A．For they are not as heavy as the traditional ones.

B．For they don"t interfere with the equipment.

C．For they are cheaper.

D．For they are a new technology.

Which of the following adjectives can be used to describe Joe？

A．Funny.

B．Clever.

C．Brave.

D．Stupid.