[单项选择]Which of the following, if true, would cast the MOST doubt on scientists' most recent explanation for the origin of the ocean's water

[单项选择]Which of the following statements is TRUE about mounting a file system?（）
A. A file system cannot be mounted on a directory containing data.
B. Mounting a file system on a mount point containing data will delete the data.
C. Mounting a file system on a amount point containing data will make the data temporarily inaccessible.
D. A systems administrator must manually create an empty directory prior to mounting an AIX JFS.

[单项选择]Which of the following, if true, would cast most doubt on the conclusions drawn from Head's higher-resolution models

[单项选择]Which of the following expansion slots would be MOST likely used to install an additional NIC into a desktop PC?（）
A. PCI
B. AGP 8x
C. Mini PCI
D. PCI Express x16

[单项选择]Which of the following, if true, would most weaken the author's proposed solution for increasing African-American employment
A. (A) Domestic work and apparel manufacturing is increasingly lucrative.
B. (B) The educational requirements in the public sector are on the increase.
C. (C) The immigrant section of the population is increasing its educational level.
D. (D) The private sector is shrinking at a faster rate than the public sector.
E. (E) Government employment has become increasingly more competitive.

[单项选择]Which of the following, if true, would most likely weaken the significance of Mignot and Aldrich's research

[单项选择]Which of the following, if true, would most seriously weaken the author's assertion in lines 19-20 that Anderson's theory "is corroborated both by the events of the American Revolution"
A. (A) The American Revolution was largely motivated through a conflict of interest between colonists and the indigenous groups protected by the crown.
B. (B) The consent of the colonists in lower North America could have been obtained more easily than that of British subjects in Canada.
C. (C) The extent of British colonial authority was of a roughly equal degree to that of French authority in lower North America.
D. (D) The British made far fewer impositions on the population of lower North America than those they made in French Canada.
E. (E) The same devolution of imperial agency that took place in India also took place throughout North America.

[单项选择]Which of the following, if true, would provide the best proof of the food-courtship theory developed by Austin

[单项选择]Which the following is NOT true

[单项选择]Which of the following characteristics would create the least difficulty in estimating a bond's cash flows（）
A. Variable coupon rate.
B. Put-able bond.
C. Non-callable bond.

[单项选择]Which of the following commands would successfully implement an access list on a routers virtual terminal line?（）
A. RouterTK(config-line)# access-class 10 in
B. RouterTK(config-if)# ip access-class 23 out
C. RouterTK(config-line)# access-list 150 in
D. RouterTK(config-if)# ip access-list 128 out
E. RouterTK(config-line)# access-group 15 out
F. RouterTK(config-if)# ip access-group 110 in

[单项选择]Which of the following types of unemployment is most likely to be associated with an economy in which many workers have been made obsolete by changing technology（）
A. Cyclical.
B. Frictional.
C. Structural.

[单项选择]Which of the following words contains one bound morpheme
A. Disappearance.
B. Untouchable.
C. Desirablity.
D. Physician.