[单项选择]Only after a baby seal is pushed into the sea by its mother ______ how to swim.
A. will it learn
B. it will learn
C. has it learned
D. it has learned

[单项选择]Only after a baby seal is pushed into the sea by its mother ______ how to swim.


A. will it learn
B. it will learn
C. has it learned
D. it has learned

[单项选择]The( )term can only be used for sea and inland waterway transport．
A. CPT
B. CFR
C. FCA
D. CIP

[单项选择]Only one baby ______ the big fire.
A. saved
B. was saved
C. survived
D. was survived

[单项选择]The Pearl River’s flow into the sea is only ____________ to that of the Yangtze.
A. the second
B. a second
C. second
D. seconds

[单项选择]The seal hunter begs forgiveness of the old seal because ______.
A. he is sorry to have wounded the old seal
B. he is afraid that the seals would kill him
C. he knows that the old seal is the king in the kingdom of the seals
D. the seals give him many pearls

[单项选择]Why was the hydraulic fuel pump seal important for the space shuttle
A. Because previous seals all failed.
B. Because it was very complex in running the space program.
C. Because cracks in the seals could be disastrous.
D. Because great care has to be taken of the hydraulic fuel pump sealing.

[单项选择]

Text 4
We assumed ethics needed the seal of certainty, else it was non-rational. And certainty was to be produced by a deductive model: the correct actions were derivable from classical first principles or a hierarchical ranked pantheon of principles. This model, though, is bankrupt.
I suggest we think of ethics as analogous to language usage. There are no univocal rules of gram mar and style which uniquely determine the best sentence for a particular situation. Nor is language usage universalizable. Although a sentence or phrase is warranted in one case, it does not mean it is automatically appropriate in like circumstances. Nonetheless, language usage is not subjective.
This should not surprise us in the least. All ’intellectual pursuits are relativistic in just these senses. Political science, psychology, chemistry, and physics are not certain, but they are not subjective either. As I see it, ethical inquiry proceed like this: we are taught
A. can only be acquired after suffering loss.
B. often generates unacceptable consequences.
C. is cultivated and developed with personal growth.
D. is too abstract to be of any practical value.

[单项选择]The Weddell seal of Antarctica can dive to a depth of about, 1,600 feet and remain {{U}}submerged{{/U}} for as long as an hour and ten minutes.
A. underwater
B. fearless
C. unconscious
D. breathless

[单项选择]The sea was calm and still.
A. quite
B. quiet
C. yet
D. rough

[单项选择]Green sea is a small village.

[单项选择]有一台变压器的额定容量为S_eA，短路阻抗百分值为Z_KA%。另一台变压器的额定容量为S_eA，短路阻抗百分值为Z_KB%。若两台变压器的额定电压相等，接线组别相同，当其并联运行时，各分担的负载分别为SA和SB，则两台变压器负载分配关系是（）。
A. S_A：S_B＝（1／Z_KA%）：（1／Z_KB%）；
B. S_A：S_B＝（S_eA／Z_KA%）：（S_eB／Z_KB%）；
C. S_A：S_B＝（Z_KA%／S_eA）：（Z_KB%／S_eB）；
D. S_A：S_B＝S_eA：S_Eb。