单项选择题

After Susan Joyce was laid off from Digital Equipment Corp. she was horrified to hear of two suicides in her layoff group. Then she learned about a colleague who stabbed his wife to death and hung himself. "I worked with him for 10 years, maybe more, "says Joyce. "He seemed like a nice guy. "
When being laid off, Susan Joyce had worked.

A. for at least 10 years.

B. for at most 10 years.
C. on more than 10 jobs.

D. for only one company.
<上一题 目录 下一题>
热门 试题

单项选择题
Why are two shots thought to be necessary People born after 1957 have not been exposed to a similar virus. The first dose primes (使准备好) the immune system to respond, but it’s the second shot that triggers the production of antibodies. This is not unusual. A number of vaccines are given for the first time in multidose series. For example, the seasonal flu vaccine is given in two shots to children under 9 if they’ve never had the flu. What is the function of the first shot of the vaccine
A. To get the body ready for the second shot.
B. To trigger the production of antibodies.
C. To get the immune system ready to respond.
D. To avoid unusual side effects of the vaccine.
单项选择题
Researchers in the Netherlands used ferrets to study the transmission of H1N1 and found that the disease was efficiently transmitted by small airborne particles. An earlier study examining a different flu strain in guinea pigs found that the animals did not pick up the vires from contaminated cages. That suggests that you’re not really safer from the flu virus if you scrub your hands, paws, or cages because the virus travels through the air. While there’s not enough evidence to conclusively say the flu works the same way for humans, the current research suggests that the H1N1 flu travels mostly by air. not via hand - to - hand contact - and therefore won’t be prevented through hand - washing.
According to the study of researchers in the Netherlands, H1N1 viruses are transmittedA. through hand - to - hand contact.
B. through the air.
C. through skin contact.

D. through coughing.
相关试题