定义用户的指令是（）。A.SULII B.SULIE C.SUSCP D.SUSCC

Standard English is the variety of English which is usually used in print and which is normally taught in schools and to non-native speakers learning the language. It is also the variety which is normally (1) by educated people and used in news broadcasts and other (2) situations. The difference between standard and nonstandard, it should be noted, has (3) in principle to do with differences between formal and colloquial (4) ; standard English has colloquial as well as formal variants.

(5) , the standard variety of English is based on the London (6) of English that developed after the Norman Conquest resulted in the removal of the Court from Winchester to London. This dialect became the one (7) by the educated, and it was developed and promoted (8) a model, or norm, for wider and wider segments of society. It was also the (9) that was carried overseas, but not one unaffected by such export. Today, (10) English is arranged to the extent that tile grammar and vocabulary of English are (11) the same everywhere in the world where English is used; (12) among local standards is really quite minor, (13) the Singapore, South Africa, and Irish varieties are really very (14) different from one another so far as grammar and vocabulary are (15) .Indeed, Standard English is so powerful that it exerts a tremendous (16) on all local varieties, to the extent that many of long-established dialects of England have (17) much of their vigor and there is considerable pressure on them to be (18) . This latter situation is not unique (19) English: it is also true in other countries where processes of standardization are (20) .But it sometimes creates problems for speakers who try to strike some kind of compromise between local norms and national, even supranational ones.

9（）

A.basis

B.norm

C.rule

D.variety

下列不会发生排斥反应的移植是（）

A.同种异体肾移植

B.异体干细胞移植

C.断肢再植

D.肝移植

E.胰腺移植

桩冠固位要求根尖部保留的充填材料长度为()

A．1.0～1.5mm

B．1.5～2.5mm

C．2.0～3.0mm

D．3～5mm

E．以上都正确

将等质量的锌、铁两种金属，同时分别放入两份完全相同的稀盐酸中，充分反应．生成H₂的质量与反应时间的关系如图所示．以

下结论中，正确的选项是（　　）

①x、y分别为铁、锌

②两份盐酸均完全反应

③反应结束时，两种金属一定均有剩余

④反应结束时，金属铁一定有剩余，锌可能有剩余．

A．①②

B．①④

C．②③

D．②④

按要求填空。（5分）

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小题4:我国古代诗文中，有许多关心民间疾苦、同情劳动人民的佳句，如:                   。