10. As the etched lines on computer memory chips have become thinner and the chips' circuits more complex， both the power of the chips and the electronic devices they drive have vastly increased.
(A) the chips' circuits more complex， both the power of the chips and the electronic
devices they drive have
(B) the chip's circuits more complex， the power of both the chips and the electronic
devices they drive has
(C) the chip's circuits are more complex， both the power of the chips and the
electronic devices they drive has
(D) their circuits are more complex， the power of both the chips and the electronic
devices they drive have
(E) their circuits more complex， both the power of the chips and the electronic
devices they drive have
11. The computer software being designed for a project studying Native American access to higher education will not only meet the needs of that study， but also has the versatility and power of facilitating similar research endeavors
(A) but also has the versatility and power of facilitating
(B) but also have the versatility and power to facilitate
(C) but it also has the versatility and power to facilitate
(D) and also have the versatility and power of facilitating
(E)and it also has such versatility and power that it can facilitate
12. Teratomas are unusual forms of cancer because they are composed of tissues such as tooth and bone not normally found in the organ in which the tumor appears.
(A) because they are composed of tissues such as tooth and bone
(B) because they are composed of tissues like tooth and bone that are
(C) because they are composed of tissues， like tooth and bone， tissues
(D) in that their composition， tissues such as tooth and bone， is
(E) in that they are composed of tissues such as tooth and bone， tissues