下列校园植物中属于乔木的是( ) A.月季 B.玫瑰 C.迎春 D.银杏

题型:选择题

问题:

下列校园植物中属于乔木的是(  )

A.月季

B.玫瑰

C.迎春

D.银杏

考点:植物的分类
题型:选择题

下列标点符号使用有错误的一项是[ ]

A.我哪儿都不去,你能把我怎么样!

B.鲁迅《自嘲》诗里有“横眉冷对千夫指,俯首甘为孺子牛。”的诗句。

C.已经走了几个来回了,17次,还是18次?

D.你的生命,或许反更有厚度;你的心灵,或许反更有虹彩。

题型:选择题

V型坡口对接接头角变形计算公式?

题型:选择题

金刚石、石墨和纳米碳管是碳的同素异性体。

题型:选择题

The painter Peter Brandon never dated his works, and their chronology is only now beginning to take shape in the critical literature. A recent dating of a Brandon self-portrait to 1930 is surely wrong. Brandon was 63 years old in 1930, yet the painting shows a young, dark-haired man--obviously Brandon, but clearly not a man of 63.
Which of the following, if justifiably assumed, allows the con- clusion to be properly drawn

A.There is no securely dated self-portrait of Brandon that he painted when he was significantly younger than 63.

B.In refraining from dating his works, Brandon intended to steer critical discussion of them away from considerations of chronology.

C.Until recently, there was very little critical literature on the works of Brandon.

D.Brandon at age 63 would not have portrayed himself in a painting as he had looked when he was a young man.

E.(E) Brandon painted several self-portraits that showed him as a man past the age of 60.

题型:选择题

设备在使用或闲置过程中发生在实体上的磨损或损失,称为()或物质磨损。

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