【单选题】Listen to a long conversation and choose the best answer to each question you hear. Questions 6 to 9 are based on the long conversation you have just heard. What is the man complaining about?
A.
Having no ice-cold lemon juice to ease the crazy heat.
B.
Awful job, hot weather and working outside.
C.
Having to pay his rent immediately.
D.
Graduating from college without his own business.
【简答题】设z = x ln ( x y),求ə3z/əx2əy高等数学复旦大学出版第三版下册课后习题答案习题八 设z = x ln ( x y),求ə3z/əx2əy
【简答题】曲线sin(xy)+ln(y-x)=z在点(0,1)处的切线方程是_________.
【单选题】Listen to a long conversation and choose the best answer to each question you hear.
【简答题】雪花的快乐 徐志摩 假若我是一朵雪花, 翩翩的在半空里潇洒, 我一定认清我的方向 —— 飞飏,飞飏,飞飏, —— 这地面上有我的方向。 不去那冷寞的幽谷, 不去那凄凉的山麓, 也不上荒街去惆怅 —— 飞飏,飞飏,飞飏, —— 你看,我有我的方向 ! 在半空里娟娟的飞舞, 认明了那清幽的住处, 等着她来花园里探望 —— 飞飏,飞飏,飞飏, —— 啊,她身上有朱砂梅的清香 ! 那时我凭借我的身轻, 盈...
【简答题】雪花的快乐 徐志摩 假若我是一朵雪花, 翩翩的在半空里潇洒, 我一定认清我的方向 飞扬,飞扬,飞扬, 这地面上有我的方向。 不去那冷寞的幽谷, 不去那凄清的山麓, 也不上荒街去惆怅 飞扬,飞扬,飞扬, 你看,我有我的方向! 在半空里娟娟的飞舞, 认明了那清幽的住处, 等着她来花园里探望 飞扬,飞扬,飞扬, 啊,她身上有朱砂梅的清香! 那时我凭藉我的身轻, 盈盈的,沾住了她的衣襟, 贴近她柔波似的心...
【简答题】设函数z=(x+y)ln(x-y),求 , .
【简答题】设z=ln(x2+y),则 等于( ).
【单选题】B. Listen to the short conversations and choose the best answer to each question you hear. Both the conversations and the questions will be spoken twice. [音频] Q6: What's wrong with the man?
A.
He's been working too hard.
B.
He's tired of his boring job.
C.
He's returned from a tiring holiday.
D.
He's just taken a long flight.