2018-2019学年人教版高一英语必修三专题之 生词巧解学案:Unit4 Astronomy the science of the stars
2018-2019学年人教版高一英语必修三专题之 生词巧解学案:Unit4 Astronomy the science of the stars第3页

    形析:de-(在......下)+pend(悬挂)

    义析:be decided by sth.;follow from sth.

【典句】Whether I can come depends.我能否来要看情况。

【拓展】1)常用搭配:depend on依靠,依赖;that depends;/it (all) depends那得看情况

  2)同根词:independence n.独立;dependent adj.依赖的;dependable adj.可靠的;

  dependence n.依赖

【词析】音析:i发,字母组合ex的读音为

    形析:类似的词还有exit。 

    义析:to be real;there is

【典句】Do you believe fairies exist?你相信真有神仙吗?

【拓展】派生词:existence n.存在;生存

【词析】音析:第一个e发[e],s发浊辅音[z]

    形析:present(出席的)去t+ce

    义析:being in a place at a certain time

【典句】Your presence is requested at the shareholder's meeting.

  敬请您出席股东大会。

【拓展】1)常用搭配:in the presence of...在......在场的情况下;当着......

  2)反义词:absence n. 不在;缺席

【词析】音析:前两个e分别读[e]和[I],o读

    形析:tele-(远距离传送的)+scope(范围) 

【典句】The scientist is observing the stars through a telescope.

  这位科学家正在用望远镜观察星星。

【拓展】tele-为前缀,如:telephone,television,telegraph。

【词析】音析:i读[I],a读,o读

    形析:dis-(否定前缀)+appoint(约定)

    义析:to fail to fulfill hopes

【典句】The news that he failed the exam disappointed them.

  考试不及格的消息使他们很失望。

【拓展】1)同根词:disappointing令人失望的;disappointed失望的;disappointment n.失望

    2)常用搭配:be disappointed in/with sb./sth.对某人/某事失望

    be disappointed to do sth.对某事感到扫兴

    be disappointed at... 因......感到失望

    to one's disappointment使某人失望的是......