“三网融合”中的三网指的是（） A.电信网 B.计算机互联网 C.无线网 D.光网

Playing eighteenth-century music on the instruments of that period provides valuable information about how the music originally sounded. Eighteenth-century instruments cannot be played without being restored, however, and restoring such an instrument destroys all of the information that researchers could obtain from it about eighteenth-century instrument-making techniques.
If the statements above are true, which of the following must be true on the basis of them

A．Eighteenth-century instruments cannot be used to provide information about the original techniques used in playing such instruments if they have been restored.

B．Eighteenth-century instruments that have been restored can provide information only about how eighteenth-century music originally sounded.

C．Eighteenth-century instruments are the only source of information about the instrument-making techniques of that period.

D．An eighteenth-century instrument that has not been re stored can provide more information than can one that has been restored.

E．(E) An eighteenth-century instrument cannot serve as a source of new information about eighteenth-century instrument-making techniques once it can be played.

患者，女性，22岁，1年前患有上呼吸道感染，之后逐渐出现甲状腺肿大的症状，且伴多汗、多食、消瘦、心悸、烦躁等表现。经检查发现，FT₃、FT₄增加，TSH降低。

甲巯咪唑的不良反应不包括（）。

A.皮疹

B.白细胞计数减少

C.白细胞升高

D.肝功能损害

E.粒细胞计数减少

将下列物质同时加入到水中，能大量共存且得到无色透明溶液的是[ ]

A．CaCl₂   HCl   NaNO₃

B．KOH   HCl   (NH₄)₂SO₄

C．K₂CO₃   Ba (NO₃)₂   NaOH

D．FeCl₃   NaCl   KNO₃

患者，男，5岁，要求矫治前牙反。直面型，乳前牙反。乳牙列完整。

该患者前牙反可能与下列哪些因素有关（）.

A.父母可能前牙反

B.乳尖牙干扰

C.下颌第二乳磨牙龋坏

D.吮上唇

E.幼时不良人工喂养姿势

F.幼时母乳喂养

交界性肿瘤（）

A．乳腺导管内癌

B．结肠腺瘤性息肉病

C．胃中分化腺癌侵及黏膜下层

D．卵巢交界性黏液性囊腺瘤

E．子宫颈重度非典型增生