soft mud
sand
silt
soft to firm clays
第1题：
penetration enhancers
第2题：
For a floating vessel, the center of flotation is the point in the waterplane ______.
A.about which the vessel lists and trims
B.which coincides with the center of buoyancy
C.which, in the absence of external forces, is always vertically aligned with the center of gravity
D.which is shown in the hydrostatic tables as VCB
第3题：
Which of the following statements is NOT TRUE?
A. Louis was famous for his discovery.
B. Though his left arm and leg were disabled(残疾的), he worked even harder than before.
C. In his childhood he made up his mind to become a doctor.
D. His disabled left arm and leg had nothing to do with the mad dogs.
此题为三正一误的细节题。在短文中没有说明巴斯德是否决心成为一名医生，只是提到他得到了博士学位。因为英语中doctor一词有两个含义：医生和博士。
第4题：
He put forward a theory,（）of great importance to the progress of science of technology
第5题：
第6题：
Which cargo would require a dangerous cargo manifest ________．
A.Cotton
B.Wheat
C.Sugar
D.Lumber
第7题：
第8题：
A、the great white hope
B、the great red hope
C、the great green hope
D、the great black hope
第9题：
Which of the following statements is NOT true?（）
AAlfred the Great started the English navy.
BAlfred the Great reorganized the Saxon any,making it more efficient.
CAlfred the Great established schools and formulated a legal System.
DAlfred the Great impose a tax,called the Danegeld,on the Saxons.
第10题：
侵入期（penetration period）