应当先履行合同债务的当事人，有确切证据证明对方（），可以中止履行。
A.经营状况恶化
B.丧失商业信誉
C.转移财产
D.更换法定代表人
参考答案：B
What was the major change in agriculture during the 19th century
A．Crop production became increasingly specialized.
B．Economic depressions lowered the prices of farm produce.
C．New banking laws made it easy to buy farmland.
D．The United States increased its agricultural imports.
细菌性痢疾常侵犯
A．结肠B．回肠C．空肠D．胃E．食管
