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【单选题】
What does the speaker say about Yellow Stone national park?A.
It was the first region explored by pioneers.
B.
It was the first national park.
C.
It is not accessible to everyone.
D.
It is not managed by the National Park Service.
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【单选题】关于真菌的抵抗力的描述错误的是
A.
对干燥、阳光和紫外线有较强的抵抗力
B.
对一般消毒剂比较敏感
C.
耐热，60℃ 1小时不能被杀死
D.
对抗细菌的抗生素均不敏感
E.
灰黄霉素、制霉菌素B可抑制真菌生长
【单选题】After years’ study with the help of Professor Henry Higgins, Eliza was able to________various levels of English usages, such as standard and substandard.
A.
indicate
B.
differ
C.
distinguish
D.
mark
【单选题】Under the Earth's topsoil, at various levels, sometimes under a layer of rock, there am deposits of clay. Look at cuts where highways have been built to see exposed clay beds or look at a construction...
A.
conceal layers of rock
B.
can be found in various places
C.
are usually small
D.
must be removed from construction sites
【多选题】Culture may affect language at various levels, such as _______________.
A.
the phonemic level
B.
the lexical level
C.
the discourse level
D.
the syntactical level
【简答题】Internet History 因特网史 Expanding on the freeway metaphor, with cars, there are various levels of knowledge; learning to drive is easy, and it is all you really need to know about cars. This is like lea...
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