下列实验动物中,常用于急性毒性研究的实验动物()。
A.猴
B.兔
C.狗
D.猫
E.小鼠和大鼠
参考答案:E
单词拼写
1. I know the place well, so let me be your g __.
2. Good news! The new medicine is having a good e on the patient.
3. An unbalanced diet and lack of exercise can r in health problems.
4. Setting a proper goal in our early life can make a big d to our future life.
5. If the injuries are serious, it is v to get the victim to the hospital at once.
6. The church being built has a (典型的) western style.
7. Even today, ancient poems still (吸收) to many young people.
8. I was (失望) to find that the man I was looking for wasn't in the office.
9. At the end of each game, players traditionally (交换) shirts with each other.
10. Whether the condition of global warming will be worse largely (取决于) on whether we take
action.
证券市场的特征不包括( )。
A.价值直接交换的场所
B.财产权利直接交换的场所
C.信息直接交换的场所
D.风险直接交换的场所