单选题
The El Nino has ______ affected the regional weather and temperature over much of the tropics, sub-tropics and some mid-latitude areas.
A、
externally
B、
consistently
C、
insistently
D、
internally
【正确答案】
B
【答案解析】
externally外表上；consistently一贯地；insistently坚持地，强求地；internally中心地。
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