皮皮学，免费搜题
登录
搜题
【多选题】
下列哪些是急性毒性作用的观察指标
A.
雄性精子或雌性卵子形态
B.
死亡后尸体病理检查
C.
死亡时间
D.
体温、毛色、体重
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
.
..
皮皮学刷刷变学霸
举一反三
【单选题】What's the impact of the line going down?
A.
The system is in good condition.
B.
It puts extra stress on the system to pick up that line.
C.
The whole system will go down.
D.
The other lines will be OK.
查看完整题目与答案
【单选题】—Car prices have been going down sharply in the last 20 years. —It’s not surprising because the law of market _____the price of a product
A.
is controlling
B.
controls
C.
has controlled
D.
controlled
查看完整题目与答案
【单选题】by accident
A.
偶然地，意外地
B.
频繁地
C.
假装地
D.
事故地
查看完整题目与答案
【单选题】听力原文：W: We'd better be looking for sales on down jackets and underwear. It's going to be really cold this winter: M: Well, you didn't expect it to be warm, did you.'? W: of course not, but I just hear...
A.
How much its accuracy has improved recently.
B.
How reliable long-range forecasts are.
C.
How difficult it takes to make a good forecast.
D.
How the current forecast causes troubles.
查看完整题目与答案
【简答题】请阅读课文第3段,从中找出一下汉语的英语表达。 1.做某事感到惊讶 2.对...小心谨慎 3.很会说话 4.偶然,意外地 5.假装做... para.3 Riding on his bicycle, he'd ride past my dorm as if "by accident" and pretend to be surprised to see me. ...
查看完整题目与答案
【单选题】听力原文：W: We'd better be looking for sales on down jackets and underwear. It's going to be really cold this winter. M: Well, you didn't expect it to be warm, did you? W: Of course not, but I just heard ...
A.
How much its accuracy has improved recently.
B.
How reliable long-range forecasts are.
C.
How difficult it takes to make a good forecast.
D.
How the current forecast causes troubles.
查看完整题目与答案
【单选题】With the crop’s production _____ rapidly, food price is _____ year by year.
A.
go up; going down
B.
going up; go down
C.
going down; going up
D.
going down; go up
查看完整题目与答案
【单选题】听力原文：Woman: Is this elevator going up or down? Man: It's going up. What floor would you like, please? Woman: I need the furniture department on floor 7. And hurry. There's a great sale there today, an...
A.
By the door.
B.
In an elevator.
C.
In the woman's apartment.
D.
In the furniture department.
查看完整题目与答案
【单选题】Although many measures _____, the world’s economy is still going down.
A.
are taken
B.
were taken
C.
will be taken
D.
have been taken
查看完整题目与答案
【单选题】Although many measures ______,the world’s economy is still going down.
A.
were taken
B.
have been taken
C.
will be taken
D.
are taken
查看完整题目与答案
相关题目：
【单选题】What's the impact of the line going down?
A.
The system is in good condition.
B.
It puts extra stress on the system to pick up that line.
C.
The whole system will go down.
D.
The other lines will be OK.
查看完整题目与答案
【单选题】—Car prices have been going down sharply in the last 20 years. —It’s not surprising because the law of market _____the price of a product
A.
is controlling
B.
controls
C.
has controlled
D.
controlled
查看完整题目与答案
【单选题】by accident
A.
偶然地，意外地
B.
频繁地
C.
假装地
D.
事故地
查看完整题目与答案
【单选题】听力原文：W: We'd better be looking for sales on down jackets and underwear. It's going to be really cold this winter: M: Well, you didn't expect it to be warm, did you.'? W: of course not, but I just hear...
A.
How much its accuracy has improved recently.
B.
How reliable long-range forecasts are.
C.
How difficult it takes to make a good forecast.
D.
How the current forecast causes troubles.
查看完整题目与答案
【简答题】请阅读课文第3段,从中找出一下汉语的英语表达。 1.做某事感到惊讶 2.对...小心谨慎 3.很会说话 4.偶然,意外地 5.假装做... para.3 Riding on his bicycle, he'd ride past my dorm as if "by accident" and pretend to be surprised to see me. ...
查看完整题目与答案
【单选题】听力原文：W: We'd better be looking for sales on down jackets and underwear. It's going to be really cold this winter. M: Well, you didn't expect it to be warm, did you? W: Of course not, but I just heard ...
A.
How much its accuracy has improved recently.
B.
How reliable long-range forecasts are.
C.
How difficult it takes to make a good forecast.
D.
How the current forecast causes troubles.
查看完整题目与答案
【单选题】With the crop’s production _____ rapidly, food price is _____ year by year.
A.
go up; going down
B.
going up; go down
C.
going down; going up
D.
going down; go up
查看完整题目与答案
【单选题】听力原文：Woman: Is this elevator going up or down? Man: It's going up. What floor would you like, please? Woman: I need the furniture department on floor 7. And hurry. There's a great sale there today, an...
A.
By the door.
B.
In an elevator.
C.
In the woman's apartment.
D.
In the furniture department.
查看完整题目与答案
【单选题】Although many measures _____, the world’s economy is still going down.
A.
are taken
B.
were taken
C.
will be taken
D.
have been taken
查看完整题目与答案
【单选题】Although many measures ______,the world’s economy is still going down.
A.
were taken
B.
have been taken
C.
will be taken
D.
are taken
查看完整题目与答案