The researcher _______carefully the differences between the two phenomena. A: explore B: exploring C: explored D: is explored

The themes explored in the poem are , , and .

She realized that her youth and inexperience _______. A: were being exploited B: have been exploited C: were being explored D: have been explored

These techniques wereappliedover the centuries. A: employed B: explored C: manipulated D: innovated

Another title for this reading could be ___________. ( Text 4B) A: How Ancient Peoples Explored the Pacific B: How El Niño Helped the Lapita C: The Race Between the Lapita and the Polynesians D: The Myth That the Lapita Explored the Pacific

The ___________(转变,改造)of nuclear radiation directly into electricity was an exciting possibility that was being explored in 1950s.

That famous professor is always ________ by students. A: surrounded B: explored C: following D: wrapped

The ________ of nuclear radiation directly into electricity was an exciting possibility that was being vigorously explored in many laboratories in the 1950s.

She explored the culture of Mexican American immigrants and learned the ways they _______ mainstream, dominant, U.S. culture.

Yellow Emperor (Huangdi) explored the rule of changes between heaven and earth, as well as that of the four seasons.