Which of the following statement shows the main idea of the text?
A．The 2011 oil shock is less of a threat to world economy than investors to think.
B．What oil market experienced in the 1970s and what is happening have big differences.
C．Oil crisis is an vicious circle and a potential threat to world economy.
D．The world economy has liberated itself from the turmoil of oil market.

未分类题The first paragraph of the passage discusses that______.A．the Middle East will be a potential threat to world economyB．the 1970s oil shocks have transformed the world economyC．oil price and Middle East are closely intertwined with world economyD．the new oil shock is on its course

未分类题What can we infer from the second paragraph?A．Project professionals with key skills are in short supply.B．CIOs are optimistic about increasing short-term job prospects.C．Temporary project professionals are being employed in certain positions.D．Full-time staffs are being brought in to ease temporary increased work-loads.

未分类题What does the author mean by 'a mixed bag'(line 1, para. 3)?A．Job prospects are increasing after a period of employment woes.B．Employment is increasing in some IT sectors but decreasing in others.C．The job scene has had its ups and downs.D．Unemployed workers are on the rise again after a fall in numbers.

未分类题How 3D printing works shows that______.A．small items can be made in the corner of an officeB．it is currently the preserve of hobbyists in academic and industrial nicheC．additive manufacturing is too complicated to be popularized at presentD．the blue print of 3D printing has to be designed three-dimensionally

未分类题'The poster child' in Paragraph 2 implies______.A．the typical modelB．the child portraitC．the image spokesmanD．the representation of activity