【判断题】绝对编码器断电后重新通电,能够记录断电前的位置
【简答题】With the storm roaring and fierce waves slashing, the exhausted refugees (__)(__) , murmuring to the God, their only hope.
【单选题】Unlike the situation with hurricanes, tornadoes, or floods, there are no storm clouds or rising river levels to foretell an earthquake. Because they hit without advance warning, earthquakes are partic...
A.
Scientists will be fully prepared with equipment to collect more information if an earthquake occurs.
B.
It enabled scientists to predict an impending earthquake on time scales of hours to days.
C.
A moderate earthquake did occur in the region sometime between 1985 and 1993 just as predicted.
D.
People in the Parkfield region were less panic but more prepared for any coming earthquakes.
【单选题】A storm was bearing down upon Iceland.
A.
A storm would soon destroy Iceland.
B.
A storm was about to strike Iceland.
C.
Iceland was frequently attacked by storms.
D.
Iceland would have to face the damages of a storm.
【简答题】张骞通西域为开辟丝绸之路奠定基础。阅读材料,完成下列各题。 材料一 张骞出使西域路线图 材料二 《汉书·张骞传》载:“初骞行时百余人,去十三岁(年),唯二人得还。” 1、结合材料和所学知识,分析张骞此行的目的是什么。有人说“经历就是财富”,你认为张骞此行是否值得? 材料三 汉武帝以前,汉朝与西域几乎处于隔绝状态,后世称张骞出使西域为“凿空”。 2、 结合材料一和材料三,张骞“凿空”西域会遇...