咽旁间隙的位置在
A．咽上缩肌与翼内肌之间B．咽上缩肌与翼外肌之间C．咽上缩肌与咽中缩肌之间D．咽上缩肌与咽侧黏膜之间E．以上都不是
参考答案：A
As there is less and less coal and oil, scientists are exploring new ways of making use of _____ energy,
such as sunlight, wind and water for power and fuel. [ ]
A. primary
B. alternative
C. instant
D. unique
“食之无味，弃之可惜”()“鱼与熊掌不可兼得”()“前怕狼，后怕虎”()
A．双趋冲突
B．双避冲突
C．趋避冲突
D．双重趋避冲突
E．多重趋避冲突
