China has signed cooperation agreements with some countries on fiber optic cables, which represent the practical launch of the Silk Road Fiber Optic Cable project.

Up to now, for information transmission, significant progress has been made in the construction of cross-border fiber optic cables between_______.

The visual acuity is highest at A: pars iridica B: pars ciliaris C: macula lutea D: optic disc E: fovea centralis

从脑干背面穿出的是 A: trochlear nerve B: oculomotor nerve C: optic nerve D: abducent nerve E: accessory nerve

The brain of a bird has a region called the ( ), that regulates heart and respiratory rates. A: optic tectum B: cerebral cortex C: medulla oblongata D: pineal body E: antebellum

In a data communication system, the transport media with the widest frequency band and best reliability is the( ). A: radio channel B: coaxial cable C: twisted--pair cable D: fiber optic cable

（）是光纤通讯、电机工程专家，被华文媒体誉之为“光纤之父”、普世誉之为“光纤通讯之父”（Father of Fiber Optic Communications）。

The front side of the house has a(n) ________ arrangement of windows and doors, with the main door in the center, a side door and two windows on each side. A: symmetrical B: optic C: alien D: deductive

The internal capsule A: is a cavity of telencephalon B: the corticospinal tract passes through the anterior limb C: lies between the thalamus, caudate nucleus and the lentiform nucleus D: the optic radiation passes the anterior limb

南京地铁三号线普通公务电话分机在“远哈系统管理程序”中的分机类型是（） A: BRI B: DDT C: OPTIC D: STATION