What happened 'to the U. S. job market？

A . its pressure and temperature are both lowered B . its pressure and temperature are both raised C . its pressure is lowered and its temperature is raised D . its pressure is raised and its temperature is lowered

A . Coal heats up on its Own and catches fire and burns． B . The underground oxygen will be used up． C . Poisonous fumes and greenhouse gases wm be accumulated anderground． D . There will be an increase of abandoned mines．

A . He risks his ideas being stolen B . He gains recognition for his achievement C . He is considered as an eccentric D . He is credited with a startling discovery

A . A copy of the frame is forwarded out all switch ports other than the port the frame was received on. B . The frame is transmitted on the native VLAN. C . The switch sends a NACK segment to the frame’s source MAC address. D . The frame is dropped.

A．He lost his money. B．He picked his money up. C．He returned the man's money.

A．They sensed that something terrible happened, they didn't dare to ask. B．They were afraid that the writer might lose face if they asked. C．They’d like to let it be for it was not their business. D．They tried to calm the writer in this way.

A．Wrathful. B．Indifferent. C．Supportive. D．Not mentioned.

A．He post copies to many people. B．He forgot about its contents. C．He published it in a journal. D．He shared it with his colleagues.

A．They were detained by the judicial department. B．They were prevented from their positions. C．They were threatened by the criminal gangs D．They justly judged Ms Escobedo's daughter's case.

A．Sales topped $3 billion annually. B．Large corporations acquired smaller ones. C．Privately-owned firms became more powerful. D．Quality control procedures led to increased efficiency.

A．They must pay their employees more for their hard work. B．They should tell their workers to pay more attention to production cost. C．They must try their best to attract more specialists. D．They should be more concerned with the quality of their products.

A．She successfully lost a lot of weight. B．She spent a total of four pounds on vegetables. C．She got her weight down a bit. D．She gained weight due to the variety of the food.

A．to be heard B．to be hearing C．to hear D．to have heard

  对 错

A．The waters are salty. B．The waters are not very salty. C．The salinity is decreasing. D．The sea water is becoming less and less.

A．It was heateD B．It was added to more details by Catherine Ⅱ． C．It got lost in the time of Catherine Ⅱ． D．A new Amber Room was made by using some parts of the old on E．

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/704fc9c0bf245b262abb1fe3ed2d7849.jpg' /> A. The traffic is permitted through the myTunnel IPSec tunnel only on Tuesdays. B. The traffic is permitted through the myTunnel IPSec tunnel daily, with the exception of Mondays. C. The traffic is permitted through the myTunnel IPSec tunnel all day on Mondays, Wednesdays between 7:00 am and 6:00 pm, and Thursdays between 7:00 am and 6:00 pm. D. The traffic is permitted through the myTunnel IPSec tunnel all day on Mondays, Wednesdays between 6:01 pm and 6:59 am, and Thursdays between 6:01 pm and 6:59 am.

A．A.get B．B.arrive C．C.return D．D.reach