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搜题
【单选题】
普鲁卡因不宜用于表面麻醉的原因是A.
刺激性大
B.
毒性大
C.
穿透力弱
D.
血管扩张作用
E.
过敏反应
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举一反三
【简答题】Jo Baker
【单选题】How is a blended family formed?
A.
A blended family is formed by two single-parent families.
B.
A blended family is formed by a nuclear family and a grandparent．
C.
A blended family is formed by a nuclear family and grandparents．
D.
A blended family is formed by two fatherless families.
【单选题】Aids is formed by joining the initial letters of the phrase acquired immune deficiency syndrome, this type of word formation is called________ .
A.
clipping
B.
blending
C.
acronym
D.
back-formation
【简答题】A word formed by derivation is called a______, and a word formed by compounding is called a______.
【简答题】 is formed by joining the initial letters of the phrase acquired immune deficiency syndrome, this tpye of word formation is called .
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