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【单选题】
取无菌溶液时先倒去少量溶液的目的是( )A.
检查瓶口是否有裂缝
B.
检查液体质量
C.
冲洗瓶口
D.
减少瓶内溶液
E.
练习以使操作熟练
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举一反三
【简答题】根据句意及首字母提示填空。 1. Many young people want to j_____ the music club. 2. Does your sister know any other Latin American d_____? 3. S_____ is the first day of the week. 4. He likes writing e_____ to his pe...
【简答题】一、 写出 以下 划线部分的句子成分。 1. Lily is cleaning the desk now. 2. Her garden is the best in our town . 3. Liu Ming is thir years old. 4. I like this book very much . 5. The girl on the blue bike is J ane’s...
【单选题】职业病危害是指
A.
对从事职业活动的劳动者导致职业病的各种危害
B.
对从事职业活动的劳动者可能导致职业病的各种危害
C.
对从事职业活动的劳动者不会导致职业病的各种危害
D.
对从事职业活动的劳动者导致职业相关疾病的各种危害
E.
对从事职业活动的劳动者可能导致职业相关疾病的各种危害
【简答题】On Saturday nights, A.J.Coston doesn’t get a lot of sleep. Usually three or four times a night, a loud bell rings, a red light flashes, and he has to jump out of his bed. That’s because he’s a weekend...
【多选题】选词填空
A.
in his post
B.
heart and soul
C.
since
D.
preparing for
E.
take out
F.
pretended to
G.
apologize to
H.
belong to
I.
are proud of
J.
meet K.in the face of 1)“Please ________ a piece of paper,” said the teacher. 2)Parents shouldn’t ________ children’s all needs. 3)They haven’t met ___________ the party last year. 4)He serves people _____________. 5)___________, he makes great contribution to the company. 6)These books __________ Tom. 7)You must ___________ your sister. 8)We ___________ our motherland. 9)When I got home, my mother was _________ lunch. 10)He __________ read when his mother came in. 11)What will you do _________ difficulties?
【简答题】根据句意及首字母填空。 1. The woman is my father's sister. She is my ____. 2. His a____ is too long. He can touch the apple on the tree. 3. J____ up and down ten times. 4. Tomorrow(明天) is Saturday. Today is ____...
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