测定固体表面FeO、Fe₂O₃，和Fe₃O₄的分布，采用______比较好。

A．item

B．icon

C．symbol

D．image

tlldsre used to promote product or to increse compny’s profits. Which is the following sttement correct ll thedsre used to promote product or to increse compny’s profits. B．Neither ofdsre used to promote product or to increse compny’s profits. C．Some ofdsre used to promote product or to increse compny’s profits. D．None ofdsre used to promote product or to increse compny’s profits.

A．All the ads are used to promote a product or to increase a company’s profits.

B．Neither of ads are used to promote a product or to increase a company’s profits.

C．Some of ads are used to promote a product or to increase a company’s profits.

D．None of ads are used to promote a product or to increase a company’s profits.

The research findings______.

A．have severely influenced the company's reputation

B．have made the company suffer a loss of profits

C．have done nothing serious to the company

D．have led the company to improve its products

s and ______.

A．proficiency

B．sufficiency

C．insufficiency

D．efficiency

What()we do if the company cut down on ads？

A、 could

B、 will

C、 shall

What did the managers in Western Electric do to improve the company's performance？

A．They gave the employees better pay．

B．They let the employees make all decisions.

C．They made the employees feel more involved．

What did Freeman do to confuse Madison Avenue greatly？

A．He developed new ads for a great number of famous companies.

B．He attracted a lot more people's attention on online ads.

C．He charges advertisers not only by click or view on ads on the website.

D．He quit as a boss in a promising company and opened a small company himself.

The A kaka Bill is intended to help improve ______ .

A．the Hawaiians' political status

B．the Hawaiians' economic status

C．the judicial system of the Hawaii State

D．the environmental protection in Hawaii

s and ______.

A．proficiency

B．sufficiency

C．insufficiency

D．efficiency