【单选题】______ the fantastic sight, I stayed at the top, _______.
B.
Because this was ; watched
C.
Not having seen; watching
D.
Having not seen; |watched
【简答题】A.Because this was the second week of the trial. B.Because this was the third and the last week of the trial. C.Because this was the first trial. D.Because this was the third trial.
【单选题】未来我们需要通过再分配手段平衡好()和当期就业人员、青少年之间的利益关系,来使经济协调发展。
【单选题】When I was 13 my mother died. Through my own sorrow I was aware of the great loss this was to Pop. But he made only one reference to his own misery. He said, 'To be happy every day is to be not happy ...
A.
one should not be happy every day
B.
it is impossible for one to be happy every day
C.
people should not pursue happy life alone
D.
people should have a realistic attitude toward life
【单选题】宇宙尘埃对于恒星和行星的诞生是至关重要的,它们对于恒星和岩石行星的形成起着决定性作用,可以提供形成生命的基本成分。但是早期的宇宙中为何有那么多的尘埃,这仍然是个谜。许多天体物理学家们认为,尘埃是短命的大型恒星作为超新星爆炸死亡期间形成的。然而,对银河系附近的超新星所进行的一些观测表明,这样所产生的尘埃不多,无法解释早期宇宙中出现的大量尘埃。不久前,研究人员在《自然》杂志上记录了一颗超新星在爆炸后几...
【简答题】Mother always said I was born to swim. I was 41 at the amazing fact. If this was true, then why was I afraid of water? I went to swim every summer, but I made 42 progress. I was worried and blamed mys...