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【判断题】
依恋是婴儿寻求并企图保持与另一个人亲密的身体和情感联系的一种倾向。()
A.
正确
B.
错误
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举一反三
【单选题】单元测试一音频Why does the man need the woman's assistance?
A.
He wants to know how to borrow the videos from the library.
B.
He wants to know the location of the library’s video collection.
C.
He wants to know how to find out where the play is currently being performed.
D.
He wants to know where to find the old newspaper reviews about a play.
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【单选题】下列反应的平衡常数 ：C(s)+O 2 (g)====CO 2 (g)为 ，2CO(s)+O 2 (g)====2CO 2 (g)为 ，C(s)+(1/2)O 2 (g)=CO(g)为 ，则三个平衡常数之间的关系为(  )。
A.
B.
C.
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【多选题】红霉素符合下列哪些性质
A.
为大环内酯类抗生素
B.
为两性化合物
C.
结构中有五个羟基
D.
在水中的溶解度较大
E.
对耐青霉素的金黄色葡萄球菌有效
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【单选题】Why does the woman's initial excitement turn to disappointment?
A.
She is told that all swimming classes are full.
B.
She learns that she will have to pay extra for classes.
C.
She finds out that there are no swimming classes at her level.
D.
She thought all sports activities were supervised by coaches.
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【判断题】酸奶生产菌种主要是乳酸菌，泡菜生产菌种也主要是乳酸菌。
A.
正确
B.
错误
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【单选题】Why does the student go to the woman's office?
A.
To schedule an audition to join an archestra
B.
To ask a question about a music class he is taking
C.
To get information for an article he is writing
D.
To ask a question about a lecture the woman gave
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【多选题】红霉素符合下列哪些性质
A.
为大环内酯类抗生素
B.
为两性化合物
C.
分子内酯环、苷键均可水解
D.
在水中的溶解度较大
E.
临床常制成红霉素乳糖酸盐可供注射用
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【单选题】Why does the man need the woman's help?
A.
Because he fell down into the deep bunker.
B.
Because he can't get the ball out of the deep bunker.
C.
Because he can't find his ball.
D.
Because he can't find his sand wedge.
查看完整题目与答案
【多选题】红霉素符合下列哪些性质
A.
为大环内酯类抗生素
B.
为两性化合物
C.
结构中有五个羟基
D.
在水中的溶解度较大
E.
对耐药的金黄色葡萄球菌有效
查看完整题目与答案
【单选题】298K时，下列反应中， 的为(    )。
A.
B.
C(s)+O 2 (g)====CO 2 (g)
C.
CO 2 (g)+C(s)====2CO(g)
D.
C(s)+H 2 O(g)====CO(g)+H 2 (g)
查看完整题目与答案
相关题目：
【单选题】单元测试一音频Why does the man need the woman's assistance?
A.
He wants to know how to borrow the videos from the library.
B.
He wants to know the location of the library’s video collection.
C.
He wants to know how to find out where the play is currently being performed.
D.
He wants to know where to find the old newspaper reviews about a play.
查看完整题目与答案
【单选题】下列反应的平衡常数 ：C(s)+O 2 (g)====CO 2 (g)为 ，2CO(s)+O 2 (g)====2CO 2 (g)为 ，C(s)+(1/2)O 2 (g)=CO(g)为 ，则三个平衡常数之间的关系为(  )。
A.
B.
C.
查看完整题目与答案
【多选题】红霉素符合下列哪些性质
A.
为大环内酯类抗生素
B.
为两性化合物
C.
结构中有五个羟基
D.
在水中的溶解度较大
E.
对耐青霉素的金黄色葡萄球菌有效
查看完整题目与答案
【单选题】Why does the woman's initial excitement turn to disappointment?
A.
She is told that all swimming classes are full.
B.
She learns that she will have to pay extra for classes.
C.
She finds out that there are no swimming classes at her level.
D.
She thought all sports activities were supervised by coaches.
查看完整题目与答案
【判断题】酸奶生产菌种主要是乳酸菌，泡菜生产菌种也主要是乳酸菌。
A.
正确
B.
错误
查看完整题目与答案
【单选题】Why does the student go to the woman's office?
A.
To schedule an audition to join an archestra
B.
To ask a question about a music class he is taking
C.
To get information for an article he is writing
D.
To ask a question about a lecture the woman gave
查看完整题目与答案
【多选题】红霉素符合下列哪些性质
A.
为大环内酯类抗生素
B.
为两性化合物
C.
分子内酯环、苷键均可水解
D.
在水中的溶解度较大
E.
临床常制成红霉素乳糖酸盐可供注射用
查看完整题目与答案
【单选题】Why does the man need the woman's help?
A.
Because he fell down into the deep bunker.
B.
Because he can't get the ball out of the deep bunker.
C.
Because he can't find his ball.
D.
Because he can't find his sand wedge.
查看完整题目与答案
【多选题】红霉素符合下列哪些性质
A.
为大环内酯类抗生素
B.
为两性化合物
C.
结构中有五个羟基
D.
在水中的溶解度较大
E.
对耐药的金黄色葡萄球菌有效
查看完整题目与答案
【单选题】298K时，下列反应中， 的为(    )。
A.
B.
C(s)+O 2 (g)====CO 2 (g)
C.
CO 2 (g)+C(s)====2CO(g)
D.
C(s)+H 2 O(g)====CO(g)+H 2 (g)
查看完整题目与答案