【单选题】For more than thirty years after astronauts first set foot on the Moon, scientists have been unable to unravel the mystery of where the Earth's only satellite came from. But now there is direct eviden...
A.
the differences between the Earth and the Moon
B.
how man manages to set foot onto the Moon
C.
the collision between the Earth and the Moon
D.
the origin of the Moon
【单选题】The thirty-first lesson is quite different.
【单选题】My grandma has kept her ______refrigerator for thirty years.
A.
first large grey American
B.
first grey large American
C.
first American grey large
D.
large grey American first
【判断题】现代供应链就是指企业从采购原料经过生产到销售的一个过程。
【单选题】现代供应链就是指企业从采购原料经过生产到销售的一个过程。
【判断题】现代供应链就是指企业从采购原料经过生产到销售的一个过程。
【单选题】李先生,27岁,因气急、咳嗽、咳痰1年半,痰中带血1周,时有胸闷,晚间盗汗.胸片示锁骨下片状絮状阴影,边緣模糊。拟诊为“肺结核”。 隔离措施中错误的是
【单选题】How did Binet decide which task to include on his first test?
A.
He first worked out thirty tasks for mentally deficient children.
B.
He first gave all the tasks to many children both younger and older.
C.
He first gave the tasks to many children he thought appropriate.
D.
He first gave some of the tasks to different groups of children.
【简答题】It was January the_________he came here last time. A.thirty-one that B.thirty first that C.thirtieth-one when D.thirty first when