Inspiteoftheseunexpecteddifficulties，thosescientists

问题详情：

In spite of these unexpected difficulties，those scientists________to carry out their experiments on the lonely r findings were helpful to science.

A．arranged                     B．managed

C．offered                      D．demanded

【回答】

B　句意：虽然有意想不到的困难，但是那些科学家们还是设法完成了孤岛上的实验。根据句意，B正确，manage to do sth.“设法成功做了某事”。arrange“安排”；offer“提供”；demand“要求”。

知识点：动词

题型：选择题