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81、 Not only are liver transplants never rejected，but they even induce a state of donor-specific unresponsiveness in which subsequent transplants of other organs，such as skin，from thatdonor are accepted permanently. 但是，我们已经发现，在许多种老鼠之间，这些移植法的常规并没有被肝脏移植物所遵循。肝脏移植物非但从没遭到过排斥，甚至还诱发了一种供者特异性无应答状态，在此状态中，随后来自那个供者其它器官的移植物，如皮肤，会永久地被接受。 难句类型：复杂修饰、插入语、倒装 解释：Not only放在句首时谓语被提前，这种倒装对我们的读者来讲不算什么新鲜事。干扰度比较大的是在修饰unresponsiveness的定语从句in which subsequent transplants of other organs, such as skin, from that donor are accepted permanently中，插入语such as skin和前面的transplants搭配的from that donor共同作用，反复地打断读者的思路，使得从句中主语和谓语不能连贯。 意群训练：Not only are liver transplants never rejected，but they even induce a state of donor-specific unresponsiveness in which subsequent transplants of other organs，such as skin，from thatdonor are accepted permanently. 82、 As rock interface are crossed, the elastic characteristics encountered generally change abruptly, which causes part of the energy to be reflected back to the surface, where it is recorded by seismic instruments. | 
