恶意串通的行为不一定无效。

[单选题]新生儿换血疗法适应症

[问答题]In the early 1950s the researchers who produced the first clad glass optical fibers were not thinking of using them for communications. (1) H____, fiber optics was already a well-established commercial technology when the famous paper by Kao and Hockham, (2)____(claim) the use of low-loss optical fibers for communication, appeared in 1966.　　The first low-loss silica fiber was described in (3)____ which appeared in October of 1970. The date of this publication is sometimes (4)____(cite) as the beginning of the era of fiber communication. Although this development did receive (5)____(consider) attention in the research community at the time, it was far from inevitable that a major industry would evolve.　　The technological barriers appeared formidable because there were serious doubts as to (6) wh_____ these fiber components could ever be produced economically enough, but the market potential was very significant. (7)____(consequence), research and development activity expanded rapidly, and a number of important issues were (8) re_____ during the early 1970s. During the middle and late 1970s，the rate of progress towards marketable products accelerated as the emphasis (9)____(shift) from research to engineering. Fibers with losses (10) app____ the Rayleigh limit of 2 dB/km at a wavelength of 0.8μm were produced.　　By 1980 improvement in component performance, cost, and reliability led to major commitments on the part of telephone companies.

[单选题]下面哪种酶类能使A、TP分子的高能磷酸键断裂（）

[单选题]我国票据法规定，附条件承兑的后果是（）

[填空题]企业到外地采购货物，货款需要立即支付。此时可以采用的结算方式是（）。

[单选题]（）模型是建立在其工资理论基础上的。

[单选题]脚手架的外侧，应钉（）高的挡脚板或防护立网

[单选题]《马基斯协议》的内容是（）.

[多选题]下列哪些产品属于《产品质量法》调查的范围（）

[单选题]外耳道鳞癌最常见的症状是（）

[判断题]恶意串通的行为不一定无效。

[问答题]买人之间不得有哪些恶意串通行为？

[名词解释题]恶意串通的合同

[单选题]竞买人之间恶意串通，（）。

[问答题]构成恶意串通的合同须具备以下成立要件

[问答题]构成恶意串通的合同须具备哪些成立要件？

[判断题]恶意串通损害国家、集体或者第三人利益的合同是无效合同。

[单选题]恶意串通损害国家、集体或第三人利益的合同是（）。

[多选题]构成恶意串通的合同须具备的要件有（）

[判断题]恶意串通，损害国家、集体或者第三人利益的民事行为都当然无效。