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【简答题】
阅读短文,根据短文正断内容判误,正确的写 'T',错误的写'F'。 Amy has got a book about London. London is the capital of England. There are many interesting places in the city. Buckingham Palace is very big and beautiful. The River Thames is long and wide. Big Ben is very old and tall. Hyde Park is very beautiful. Tower Bridge is very famous and beautiful. (     ) 1. Amy has got a book about China. (     ) 2. London is the capital of England. (     ) 3. Buckingham Palace is very small, but it's very beautiful. (     ) 4. The River Thames is wide and long. (     ) 5. Hyde Park is very beautiful.
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【简答题】图1表示人体内某些淋巴细胞的分化,图2表示免疫过程,X表示抗原,数字表示过程,m、n代表场所,其余字母表示细胞或物质。请分析回答下列问题: 为检测某疫苗是否有效,研究人员设计了如下实验方案:第一步:将某种()健康动物若干只,平均分成对照组和实验组。第二步:对照组接种不含疫苗的接种物,一段时间后再接种病毒;实验组接种含疫苗的接种物,()第三步:统计实验组和对照组动物的发病率、存活率。若与对照组相比,...
【简答题】如图1表示人体内某些淋巴细胞的分化和免疫过程,X表示抗原,数字表示过程,m、n代表场所,其余字母表示细胞或物质。请分析回答下列问题: 为检测某疫苗是否有效,研究人员设计了如下实验方案:第一步:将()健康动物分成对照组和实验组,每组均分为若干只。第二步:对照组接种不含疫苗的接种物,一段时间后再接种病毒;实验组接种疫苗()第三步:统计实验组和对照组动物的发病率、存活率。若与对照组相比,实验组动物发病率...
【单选题】After her husband had gone to work and the children _____to school, she went upstairs.
A.
had sent
B.
were sent
C.
had been sent
D.
were sending
【单选题】The doctors to operate on the woman because her husband had not given permission.
A.
would refuse
B.
have refused
C.
refuse
D.
refused
【简答题】免疫调节是实现内环境稳态的重要调节机制之一。下图表示人体内某些淋巴细胞的分化和免疫过程,数字表示过程,字母表示细胞或物质。请分析并回答: 疫苗是免疫学的重要应用之一。为检测某疫苗是否有效,研究人员设计如下实验方案: 第一步:分组 将同种且生长状态相同的健康动物分成对照组和实验组,每组若干只。 第二步:处理 对照组的处理:接种不含疫苗的接种物,一段时间后再()。 实验组的处理:接种(),一段时间后...
【单选题】The lady then mentioned that she and her husband had recently returned from a trip to Africa.
A.
这位女士提到她和她丈夫刚从非洲旅行归来
B.
这位女士提到她和她 老爸 刚从非洲旅行归来
C.
这位女士提到她和她丈夫刚从 美洲 旅行归来
D.
这位女士提到她和她丈夫刚从非洲 打猎 归来
【单选题】配制百部酊配溶液时所需乙醇的浓度为
A.
0.3
B.
0.5
C.
0.6
D.
0.7
E.
0.9
【单选题】世界旅游组织向关心旅游专门利益的政府间和非政府间的国际机构开放,这种特殊类型的成员资格被称为( )
A.
正式成员
B.
联系成员
C.
部分成员
D.
附属成员
【单选题】第4题: It is implied in the last paragraph that Mrs. Escalante thought that_____. A.teachers were not highly respected in the U.S. B.overseas teachers were usually unfairly treated C.her husband deserve...
A.
teachers were not highly respected in the U.S.
B.
overseas teachers were usually unfairly treated
C.
her husband deserved a better job than teaching
D.
her husband had always wanted to change his job
【单选题】Her husband said to her, “I wrote to my father yesterday.” → Her husband told her he had written to his father _____.
A.
the yesterday
B.
before today
C.
the day before
D.
the next day
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