首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
专升本
The Northern Pike is a very bad fish. It is a big, hungry fish, and swallows little fish such as trout and perch. Many Northern
The Northern Pike is a very bad fish. It is a big, hungry fish, and swallows little fish such as trout and perch. Many Northern
admin
2011-06-28
25
问题
The Northern Pike is a very bad fish. It is a big, hungry fish, and swallows little fish such as trout and perch. Many Northern Pikes live in Lake Davis. They are killing all the smaller fish in the lake. The Northern Pike are a serious threat to the lake because they eat all the smaller fish. Soon, all other species of fish in the lake will be killed off. This is not healthy for the environment.
Experts are afraid that the Northern Pike will swim out of Lake Davis through many smaller rivers that feed into the lake. They could spread all over the country and damage many other water environments. If that happens, it would be too late to stop the Northern Pike.
For ten years, officials have been trying to remove the Northern Pike from Lake Davis. They haw. tried using nets, explosives and poisons. However, the Northern Pike population is still doing well in Lake Davis. Many people do not like the idea of using poison to kill the fish. They worry that the poi- sons are bad for humans who use the water. No trace of the poisons has ever been found in local wells, however.
Scientists are going to try the poison again. This time, they will drain the lake before they add the poison to the water. A public hearing will be held to talk about the problem.
What will scientists do to make sure the poison works this time?
选项
A、They will try some of it themselves.
B、They will use a special kind of poison.
C、They will drain the lake first.
D、They will only put the poison in the wells.
答案
C
解析
最后段。先抽水再放毒药。选项C是正确的。
转载请注明原文地址:https://kaotiyun.com/show/MxlC777K
本试题收录于:
英语题库成考专升本分类
0
英语
成考专升本
相关试题推荐
Mostpeoplehavenoideaofthehardworkandworrythatgoesintothecollectingofthosefascinatingbirdsandanimalsthatth
We______herletterlastweek.Wedon’tknowwhathashappenedtoher.
Ididn’texpectto______myteacherinthestreetyesterday.
Hisdescriptionoftheghostwasso______.thathislittledaughterscreamedwhenhecametothepartofkilling.
Inthatperiodoftime,walkingandreadingweretheonly______(relax)permittedonSundayafternoon.
Onmostofthenights.Jane______readinglettersfromherboyfriend.
Little______thattheirplanhasbeendiscovered.
Thereishardlyanenvironmentonearth______somespeciesofanimalorotherhasnotadaptedsuccessfully.
Somepeoplethinktheyhaveananswertothetroublesofautomobilecrowdinganddirtyairinlargecities.Theiransweristhe
随机试题
麻黄附子细辛汤和再造散中共同含有的药物组合是
患者,男,40岁。局部麻醉下行腹壁脂肪瘤切除手术,手术开始10分钟,患者紧张不安,呼吸、心率加快,血压增高,抽搐等,初步考虑可能是局部麻醉药中毒。现首要做的处理是
设备出厂前,设备监理工程师应检查制造单位出具的( )。
防火玻璃按耐火等级可分为()个等级。
根据《出境入境管理法》规定,下列情形中会被处以2000元以上1万元以下的罚款的是()。
体育教学评价具有诊断功能、反馈功能、激励功能和()。
软件用户的调查显示,通常一个软件会有1000个用户采用,如果一个软件每天被下载安装的次数达到55次,这个软件的流行度会急速上升,最多时有1200万个用户采用,大量用户几乎是完全根据其他用户的行为来选择安装这个软件,而很少关注其本身的内在特点。根据上述描述可
Thephrase"cropup"inthefirstparagraphmostprobablymeans______.IncontrasttoDr.Connolly’sstudy,thepreviousones
关于P2P文件共享系统的描述中,错误的是()。
ThefactthatmostAmericansliveinurbanareasdoesnotmeanthattheyresideinthecenteroflargecities.Infact,moreAme
最新回复
(
0
)