[单项选择]We can hardly avoid making any mistakes in our work ______ hard we try.
A. whatever
B. how
C. no matter
D. however

[单项选择]We can hardly avoid making any mistakes in our work ______ hard we try.
A. whatever
B. how
C. no matter
D. however

[单项选择]One of the most interesting inhabitants of our world is the bee, an insect which is indigenous to all parts of the globe except the polar regions.
A. residents
B. pets
C. intimates
D. creatures

[单项选择]Mrs. Morrison invited us to the party, but our work ______, we politely refused her invitation.
A. not being finished
B. was not finished
C. not having finished
D. had not been finished

[单项选择]Yesterday, the director ______ of me about our work.
A. requite
B. acquire
C. inquire
D. squire

[单项选择]

Humans should not try to avoid stress any more than they would shun food, love or exercise.
Said Dr. Hans Selye, the first physician to document the effects of stress on the body. While here‘s on question that continuous stress is harmful, several studies suggest that challenging situations in which you‘re able to rise to the occasion can be good for you.  In a 2001 study of 158 hospital nurses, those who faced considerable work demands but coped with the challenge were more likely to say they were in good health than those who felt they stress that you can manage also boost immune function. In a study at the Academic Center for Dentistry in Amsterdam, researchers put volunteers through two stressful experiences. In the first, a timed task that required memorizing a list followed by a short test, subjects through a gory video on surgical procedures. Those who did well on the memory test had an increase in levels of immunoglobulin A, an antibody that&lsquo
A. the benefits of manageable stress
B. how to avoid stressful situations
C. how to cope with stress effectively
D. the effects of stress hormones on memory

[单项选择]She can (hardly) avoid (making) grammatical mistakes in her (composition)(how) hard she tries.
A. hardly
B. making
C. composition
D. how

[单项选择]The owner wouldn't ______ to our making any structural change in the flat.
A. consent
B. contend
C. contest
D. contact

[单项选择]It is essential that any ideas and development work concerning a possible future ______ application be kept absolutely secret and confidential.
A. authority
B. privilege
C. patent
D. title

[单项选择]I think he hardly makes spelling mistakes, ______

[单项选择]To avoid the mistakes of our forefathers, the author suggests that ______.


A. we plant more trees
B. we return to nature
C. natural sciences be taught to everybody
D. environmental education be directed to everyone