【C12】A．testB．studyC．honestyD．trust

【C6】A．testB．researchC．operationD．project

"If in Paragraph 6 refers to______.A．obesityB．the above studyC．fast foodD．a good policy

verify 选择能代替的选项A、testB、confirmC、tryD、demonstrate

【C3】A．testB．mapC．structureD．scans

We do not _____ knowledge only in schools.A.learnB.studyC.acquireD.get

The word harness in the last paragraph is closest in meaning to______.A.seeB.studyC.cont