1.选择题- (共12题)
1.生物学家曾记录一块弃耕农田在40年的演替期间，植物的种类和数量发生变化的情况，结果见表．有关叙述正确的是（ ）
植物类型 植物种数 演替年数 | 1 | 4 | 15 | 26 | 40 |
草本 | 31 | 27 | 26 | 30 | 34 |
灌木 | 0 | 3 | 4 | 7 | 19 |
乔木 | 0 | 0 | 0 | 14 | 23 |
总计 | 31 | 30 | 30 | 51 | 76 |
2.生物学家曾记录一块弃耕农田在40年的演替期间，植物的种类和数量发生变化的情况，结果见表．有关叙述正确的是（ ）
植物类型 植物种数 演替年数 | 1 | 4 | 15 | 26 | 40 |
草本 | 31 | 27 | 26 | 30 | 34 |
灌木 | 0 | 3 | 4 | 7 | 19 |
乔木 | 0 | 0 | 0 | 14 | 23 |
总计 | 31 | 30 | 30 | 51 | 76 |
8.春砂仁主产于广东阳江等地，它的果实是中医常用的一味药材，也可用作调味品．春砂仁幼果发育过程中，落果率一般为30%～60%，严重影响春砂仁产量．中山大学研究人员尝试研究防止落果的有效措施，实验结果见表．请回答问题：
喷施2，4﹣D对春砂仁保果和产量的影响
处理浓度（ppm） | 幼果数（个） | 收果数（个） | 保果率（%） | 增减产（克/米2） |
5 | 232.7 | 123.3 | 52.9 | +69.6 |
10 | 189.3 | 97.6 | 51.5 | +5.5 |
15 | 160.0 | 75.3 | 47.0 | ﹣34.9 |
0 | 201.6 | 92.3 | 45.7 |
注：1ppm=0.0001%
9.春砂仁主产于广东阳江等地，它的果实是中医常用的一味药材，也可用作调味品．春砂仁幼果发育过程中，落果率一般为30%～60%，严重影响春砂仁产量．中山大学研究人员尝试研究防止落果的有效措施，实验结果见表．请回答问题：
喷施2，4﹣D对春砂仁保果和产量的影响
处理浓度（ppm） | 幼果数（个） | 收果数（个） | 保果率（%） | 增减产（克/米2） |
5 | 232.7 | 123.3 | 52.9 | +69.6 |
10 | 189.3 | 97.6 | 51.5 | +5.5 |
15 | 160.0 | 75.3 | 47.0 | ﹣34.9 |
0 | 201.6 | 92.3 | 45.7 |
注：1ppm=0.0001%
2.单项选择- (共12题)
13.
—Why do you choose to work in an international travel agency?
—Well，you know，English is my ________.So it is my best choice.
—Well，you know，English is my ________.So it is my best choice.
| A．strength | B．talent |
| C．ability | D．skill |
14.
一 Have you figured out how much the trip will cost?
—$4,000, or like that.
—$4,000, or like that.
| A．anything | B．everything | C．something | D．nothing |
15.
China recently tightened its waters controls near the Huangyan Island to prevent Chinese fishing boats from in the South China Sea.
| A．attacking | B．having attacked | C．being attacked | D．having been attacked |
16.
You had better ______some time every day for sports so that you can keep yourself energetic.
| A．set aside | B．take up |
| C．put away | D．give out |
17.
We lost our way in that small village, otherwise we ________more places of interest yesterday.
| A．visited | B．had visited |
| C．would visit | D．would have visited |
18.
Pressed from his parents, and ____ that he has wasted too much time, the boy is determined to stop playing video games.
| A．realizing | B．realized |
| C．to realize | D．being realized |
19.
Anyone, whether he is an official or a bus driver, should be respected.
| A．especially | B．equally | C．naturally . | D．normally |
20.
— Can you lend me the book Gone with the Wind?
— Sorry. I returned it to the library just now. Maybe it is still ____.
— Sorry. I returned it to the library just now. Maybe it is still ____.
| A．available | B．affordable | C．acceptable | D．valuable |
21.
Nothing is so easy as ________ parents to raise their expectations of their children too high.
| A．of | B．to | C．by | D．for |
22.
It is hard for the Greek government to get over the present difficulties_________ gets more financial support from the European Union.
| A．if | B．unless | C．because | D．since |
23.
We promise attends the party a chance to have a photo taken with the movie star.
| A．who | B．whom | C．whoever | D．whomever |
试卷分析
-
【1】题量占比
选择题:(12道)
单项选择:(12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：12
7星难题：0
8星难题：0
9星难题：0