(大连市高三双基测试卷)Hoping to be stronger to compete with the world’s best, Murry has put on about 4 kg by eating twice as much as his _______ amount.

A．common

B．ordinary

C．formal

D．usual

肠系膜静脉血栓引起的肠梗阻属于( )。

A．单纯性肠梗阻
B．绞窄性肠梗阻
C．机械性肠梗阻
D．动力性肠梗阻
E．血运性肠梗阻