（ ） is the custom,the investigators carried out a painstaking search of the debris after the air crash.

A.What B.As C.Which D.That

Which of the following is true of English sound system?

A.Aspiration is a distinctive feature. B.Voicing is a distinctive phonetic feature. C.Nasalization of vowels gives rise to another vowel. D.Length of vowels differentiates one vowel from the other.

Tom, take this baggage and put it （ ）you can find enough space.

A.which B.in which C.wherever D.whereas

She is （ ）, from her recording, the diaries of Simon Forman.

A.transcribing B.keeping C.paraphrasing D.recollecting

If a teacher asks students to put jumbled sentences in order in a reading class, he/she intends to develop their ability of （ ）.

A.word-guessing through context B.summarizing the main idea C.understanding textual coherence D.scanning for detailed information

A teacher may encourage students to （ ）when they come across newwords in fast reading.

A.take notes B.ask for help C.guess meaning from context D.look up the words in a dictionary