__________may be defined as any kind of engaging with the language on the part of the learners, usually under the teacher's supervision, whose primary objective is to consolidate learning.

此题为判断题(对，错)。

A、husband and wife

B、father and children

C、parents and children

D、teacher and students

may be defined as the scientific study of language.

A、Morphology

B、Linguistics

C、Phonology

D、Phonetics

Which statement is TRUE concerning buoyant work vests aboard tankers ________．

A.They may be worn while working on deck but not while working over the side

B.They must be used only under supervision of a designated ship's officer

C.They will be accepted for up to 10% of the required life preservers

D.They may be worn during drills

A. the development of professional competence

B. the development of integrated skills

C. the development of English knowledge

D. the development of language skill

A salvor ______ the payment due thereunder to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part．

A.may be deprived of the whole or part of

B.may not be deprived of any part of

C.will only be rewarded

D.will not be rewarded any part of

according to hedge,‘denotiative meaning drives from a mixture of cultural ,political,social,and historical sources and learners will be aware of this phenomenon in their own language’ but may not be so aware of it in the target language. ()

此题为判断题(对，错)。