In Paragraph 5, the underlined word 'that study' refers to______.
A．his own study
B．the study of cancer insulated from screening
C．the study involves screening
D．the study carried out by Claudia Henschke

未分类题It can be inferred from Paragraph 4 that______.A．marine animals cannot live within oxygen level 20% below normalB．the estimated amount of spilled oil is fully recognized by all partiesC．the dispersed oil will come inland in tiny specksD．one necessary condition for the digestion of bacteria is oxygen

未分类题The underlined word in Paragraph 6 refers to______.A．the damageB．the bacteriaC．the oilD．the chemical

未分类题The authors attitude towards the transportation of London during the 2012 Olympic Games is one of______.A．satisfactionB．indignationC．skepticismD．positiveness

未分类题The main point of paragraph 4 is______.A．those who need a college education most are having the most difficulty getting itB．student loans are improving access to education for allC．high-income families benefit most from student loansD．low to moderate-income families benefit most from student loans

未分类题We can infer from Paragraph 1 that______.A．Dr. Bollen has examined all the Internet data of 2008 to do his researchB．tweets of one person is totally boring, even to his her friendsC．one Tweeter user's feeling cannot represent America's collective moodD．Tweeter users' mood in the second half of 2008 accorded with the country's events