题目内容

【C5】

A. fighting
B. struggling
C. challenging
D. threatening

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【C8】

A. problem
B. question
C. matter
D. event

Through which character of the brain did the scientists study the brain？

A. The brainwave pattern.
B. The EEG.
C. The right frontal cortex.
D. The transformational thought.

【C15】

Although
Because
C. Since
D. As

【C6】

A. and
B. while
C. thus
D. though