单项选择题
Goods are to be ______ with our initials in a diamond (circle, triangle, etc). A．marked B．made C．marking D．making
单项选择题 下列哪种器官很少发生梗死?( ) A．心 B．肝 C．脾 D．肺 E．肾
单项选择题 It is necessary to take good note of this ______ the parcel should be mixed up on loading. A．least B．let C．lost D．lest
未知题型 沟壑治理包括______等。 A．沟头防护 B．谷坊 C．淤地坝 D．崩岗治理
