馨香书屋：背1遍就想上考场四级单词（六十）
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research
What is typical of non-readers according to early research?
The level of formaldehyde gas in her kitchen was twice the maximum allowed by federal standards for chemical workers.
halt
Israel has only accepted a partial halt on settlement construction for 10 months.
altitude
China is to build the world's highest airport, at an altitude of 4,436 metres (14,500ft), in Tibet.
enhance
Our ability to benefit from the high-tech communications equipment is greatly enhanced by foreign language skills.
augment
Stepping up the fight against the Taliban would be a nonissue, because there would be no additional brigades to augment any offensive.
sightseeing
A: What's your plan for the holiday?
B: I will go to Nordic countries like Norway, Denmark, etc. for sightseeing.
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