题目内容
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[单选题]
When one reads quickly to identify the main idea and the author’s purpose for writing, he or she is _____.
A.skimming
B.learning
C.scanning
D.understanding
提问人：网友calmliu
发布时间：2022-01-07
题目内容
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更多“When one reads quickly to iden…”相关的问题
第1题
On the template strand that has a 3’ end behind the moving fork, DNA polymerase can synthesize DNA continuously.
第2题
We all know that DNA has the ability to identify individuals but, because it is inherited, there are also regions of the DNA strand which can relate an individual to his or her family (immediate and extended), tribal group and even an entire population. Molecular Genealogy (宗谱学) can use this unique identification provided by the genetic markers to link people together into family trees. Pedigrees (家谱) based on such genetic markers can mean a breakthrough for family trees where information is incomplete or missing due to adoption, illegitimacy or lack of records. There are many communities and populations which have lost precious records due to tragic events such as the fire in the Irish courts during Civil War in 1921 or American slaves for whom many records were never kept in the first place.
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The main objective of the Molecular Genealogy Research Group is to build a database containing over 100,000 DNA samples from individuals all over the world. These individuals will have provided a pedigree chart of at least four generations and a small blood sample. Once the database has enough samples to represent the world genetic make-up, it will eventually help in solving many issues regarding genealogies that could not be done by relying only on traditional written records. Theoretically, any individual will someday be able to trace his or her family origins through this database.
In the meantime, as the database is being created, molecular genealogy can already verify possible or suspected relationships between individuals. “For example, if two men sharing the same last name believe that they are related, but no written record proves this relationship, we can verify this possibility by collecting a sample of DNA from both and looking for common markers (in this case we can look primarily at the Y chromosome(染色体)),” explains Ugo A．Perego, a member of the BYU Molecular Genealogy research team.
People in a large area may possess the same DNA thread because______.
A．DNA is characteristic of a region
B．they are beyond doubt of common ancestry
C．DNA strand has the ability to identify individuals
D．their unique identification can be provided via DNA
第3题
Post-reading activities are done _____ the students have read the text.
A、after
B、because
C、before
D、while
第4题
In _____ activities, students read a story and put the events or happenings in the correct order.
A、sequencing
B、fast reading
C、post-reading
D、inferencing
第5题
Being good at making _____ relies a lot on critical thinking skills which can be a difficult thing to teach.
A、inferences
B、compositions
C、predictions
D、sentences
第6题
Which of the following are good pre-reading activities?
A、Brainstorming
B、Making predictions
C、Providing background knowledge
D、Creative writing
第7题
Which of the following are functions of pre-reading activities?
A、Activating students’ existing knowledge.
B、Giving students’ necessary background knowledge.
C、Making sure the students have a clear purpose for reading.
D、Checking students’ comprehension of the main idea.
第8题
Which of the following are principles to follow when designing reading activities?
A、Helping students engage with what they are reading.
B、Encouraging the students to respond to the content.
C、Giving students time to read.
D、Teaching all the background knowledge and new words.
第9题
Post-reading activities aim at helping students _____.
A、develop critical thinking
B、encourage personal expressions
C、connect what they have read with their own world
D、become interested in the text
