1.选择题- (共7题)
1.细胞增殖过程中DNA含量会发生变化。通过测定一定数量细胞的DNA含量，可分析其细胞周期。根据细胞DNA含量不同，将某种连续增殖的细胞株细胞分为三组，每组的细胞数如图。 从图中所示结果分析其细胞周期，不正确的是 （ ）
5.某同学设想驾驶一辆“陆地－太空”两用汽车，沿地球赤道行驶并且汽车相对于地球速度可以增加到足够大。当汽车速度增加到某一值时，它将成为脱离地面绕地球做圆周运动的“航天汽车”。不计空气阻力，已知地球的半径
，
。下列说法正确的是（ ）
，。下列说法正确的是（ ）
2.单项选择- (共9题)
8.
Some Australian Aborigines still live in a similar way to their ancestors, while ______ live in cities, towns and the country in the same way _____ their fellow Australians.
| A．others, like | B．others, as | C．the others, like | D．the others, as |
9.
After 1953 _______ people have succeeded in climbing the mountain.
| A．several hundred of | B．several hundreds | C．several hundreds of | D．several hundred |
10.
The gap between rural and urban education in China is widening, and education is the key to _____ rural problems.
| A．solving | B．solve | C．have solved | D．having solved |
11.
The goods bought on line are _________ than those bought in stores.
| A．more cheaper | B．more cheap | C．far cheaper | D．far cheap |
12.
The Tibetans have lived in the Himalayas for centuries and have adjusted to the conditions _________.
| A．at such great height | B．at such a great height |
| C．on such great height | D．on such a great height |
14.
The fleet made several expeditions _______ the exploration was stopped.
| A．when | B．before | C．while | D．since |
15.
_______, he knows a lot.
| A．A child as he is | B．A child as is he | C．Child as is he | D．Child as he is |
试卷分析
-
【1】题量占比
选择题:(7道)
单项选择:(9道)
-
【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：0
5星难题：0
6星难题：9
7星难题：0
8星难题：0
9星难题：0