考博考试

【单选题】 The country signed a/an ______ contract with America with an aim to make good use of their natural resources and capital.
A．residential
B．unusual
C．influential
D．reciprocal

网考网参考答案：D
网考网解析：
reciprocal互惠的，相互补偿的；residential居住的；unusual不寻常的；influential有影响的。根据题意，答案D正确。 查看试题解析出处>>