What is said about cell phone use in the mid-1980s in paragraph 5 A: It had a life-taking effect because there weren't enough cell phones in use then. B: The increased use of cell phones then caused a "life-taking effect." C: Traffic fatalities increased then because the number of cell phones in use decreased. D: Traffic fatalities decreased then because the number of cell phones in use increased.

On the ___ side, profits have increased.

The manager announces with _____that the prices must be increased.

Chicago School economists argued that increased efficiency led to increased market power and increased profits。（ ）

If the economy shown in the diagram moves from position A to position B, we would know that ( ) A: the rate of unemployment increased. B: consumption goods production increased, but capital goods production decreased. C: its unemployment decreased, but at the expense of either capital or consumption good production. D: it has achieved full employment of resources.

The assembly line significantly _________the assembly time per vehicle and _______the profit margin. A: decreased; increased B: increased; decreased C: increased；increased D: decreased；decreased

An automobile manufacturer increased the total number of cars produced keeping the production cost the same. The manufacturer ________. A: increased its equity B: increased its efficiency C: increased its effectiveness D: increased its effability

Which<br/>of the following factors is not included in Altherosclerosis risk<br/>factors? ( ) A: Increased<br/>HDL B: Increased<br/>TG C: Increased<br/>LDL D: Increased<br/>TC E: Increased<br/>VLDL

Since then the number of wild animals there _____greatly. A: have increased B: has increased C: is increased D: are increasing

Chicago School economists argued that increased efficiency led to increased market power and increased profits. A: 对 B: 错