问题：
[单选题] Schmidt and her colleagues are the first group of scientists studying Europa．
A RightB WrongC Not mention问题：
[单选题] It can be inferred from Paragraph 5 that DNA fingerprinting _________．
A is costly to the policeB could be a social issueC 1s the only way to prove innocenceD has been a profitable business问题：
[单选题] Only a small minority of the mentally ill are liable to harm themselves or others,
A easyB possibleC likelyD difficult问题：
[单选题] Techniques to employ the energy of the sun are being developed.
A convertB storeC utilizeD receive问题：
[单选题] The study suggests that it is more difficult to respond what to get rid of.
A RightB WrongC Not mentioned问题：
[单选题] The volunteers found the test more difficult when they did it the second time.
A RightB WrongC Not mentioned问题：
[单选题] The union representative put across her argument very effectively.
A explainedB inventedC consideredD accepted问题：
[单选题] The first attempt made by European people to settle downpermanently in North America occurred in the
A RightB WrongC Not mentioned问题：
