涨潮
参考答案:
太阳、月球对地球的引力与离心力的合力为引潮力。在地—月体系中,该合力在对月点和背月点最大,且方向垂直指向球面外空间,因而可使海面上升凸起,发生涨潮。
短文填词
What are the students’ favorite jobs in the future?
The following is a report on the student’s v_______ on their
1._________
future job preference. ________ seems to be some differences
2._________
between boys and girls. The most striking contrast________ in teaching:
3._________
most girls would like to become teachers w_______ few boys want
4._________
to do this job. __________(有趣的是), many boys want to do business
5._________
and still some want to become lawyers t________ only a small part of
6._________
girls ________ interest in these two fields. The second largest group of
7._________
all the surveyed students expect to be ______(科学家). That is both boys
8.________
and girls are w________ to display their talents in this field.
9.________
And the third c_______ for girls is to be interpreters or translators.
10.________
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