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【简答题】
When I was about 14 years old, I wanted to buy music records from my favorite bands ( 乐队 ), but I did not have any money. My parents were not the 1 of people to give money to me out of nowhere, or even for work 2 at home. I had to find work in order to purchase the music I wanted. So, I went to the oldest person I knew in my neighborhood, Mrs. Hudson. She was over 80 years old, and could not 3 her garden anymore. She had flowers and some tomato plants. I knocked on her door, building up enough 4 to ask her for work. She answered that indeed she needed help in her garden. She did not discuss the 5 of money I would get for the work. My first job was to 6 out weeds in her front yard and backyard. After this boring task, I took care of the flowers. That was it for my first day, and it took me about two hours. I asked her how much I would get 7 , and she said, “I will give you $5 an hour.” It was less than I thought I would get, 8 at least I had a job. After getting that $10, I walked the few miles to the 9 section of the supermarket, and bought a record from the band “Tool”, which was extremely popular at that time among teenagers. I think everyone should do something similar as I did 10 young. It seems these experiences harden our spirits and resolve, and make us more in touch with the earth.
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【简答题】半衰期一般是指 。
【多选题】阿米巴肝脓肿的脓肿液主要成分为()
A.
阿米巴包囊
B.
阿米巴滋养体
C.
血液
D.
中性粒细胞
E.
淋巴细胞
【单选题】一般常说药物半衰期是指
A.
药物被吸收一半所需的时间
B.
药物在血浆中浓度下降一半所需的时间
C.
药物被破坏一半所需的时间
D.
药物排出一半所需的时间
E.
药物毒性减弱一半所需的时间
【单选题】—I'm very sorry I didn't call you last night. —____ I guess you were busy. [     ]
A.
I'm sorry, too.
B.
It's nothing.
C.
You are so nice.
D.
Excuse me.
【单选题】一般常说药物半衰期是指
A.
药物被吸收一半所需要的时间
B.
药物在血浆中浓度下降一半所需要的时间
C.
药物被破坏一半所需要的时间
D.
药物排除一半所需要的时间
【单选题】药物在体内的半衰期一般是指()
A.
药效下降一半所需时间
B.
血药浓度下降一半所需时间
C.
组织药物下降一半所需时间
D.
药物排泄一半所需时间
E.
药物效应降低一半所需时间
【单选题】脓肿的主要成分是
A.
肉芽组织
B.
纤维组织
C.
纤维蛋白
D.
淀粉样物
E.
变性坏死的中性粒细胞
【单选题】一般常说药物半衰期是指
A.
药物被吸收一半所需的时间
B.
药物在血浆中浓度下降一半所需的时间
C.
药物被破坏一半所需的时间
D.
药物派出一半所需的时间
E.
药物毒性减弱一半所需的时间
【单选题】质粒是基因工程中最常用的运载体,它存在于许多细菌体内。质粒上有标记基因如图所示,通过标记基因可以推知外源基因(目的基因)是否转移成功。外源基因插入的位置不同,细菌在培养基上的生长情况也不同,下表是外源基因插入位置(插入点有a、b、c),请根据表中提供的细菌生长情况,推测①②③三种重组后细菌的外源基因插入点,正确的一组是 [     ]
A.
①是c;②是b;③是a
B.
①是a和b;②是a;③是b
C.
①是a和b;②是b;③是a
D.
①是c;②是a;③是b
【单选题】一般常说药物半衰期是指
A.
药物被吸收一半所需的时间
B.
药物在血浆中浓度下降一半所需的时间
C.
药物被破坏一半所需的时间
D.
药物排出一半所需的时间
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