[填空题]Postal deliveries were delayed because of industrial action. Industrial action resulted ______.

[填空题]Postal deliveries were delayed because of industrial action.
Industrial action resulted ______.

[单项选择]The policemen acted quickly because lives were at stake.
A. in despair
B. in danger
C. in misery
D. in pain

[单项选择]Because dinosaurs were reptiles, scientists once assumed that, like all reptiles alive today, dinosaurs were coldblooded. The recent discovery of dinosaur fossils in the northern arctic, however, has led a number of researchers to conclude that at least some "dinosaurs might have been warmblooded. These researchers point out that only warm-blooded animals could have withstood the frigid temperature that are characteristic of arctic winters, whereas cold-blooded animal would have frozen to death in the extreme cold.
Which one of the following, if true, weakens the researchers’ argument
A. Today’s reptiles are generally confined to regions of temperate or even tropical climates.
B. The fossils show the arctic dinosaurs to have been substantially smaller than other known species of dinosaurs.
C. The arctic dinosaur fossils were found alongside fossils of plants known for their ability to withstand extremely cold temperatures.
D. The number of fossils found together indicates herds of dinosaurs so large that they would need to migrate to find a continual food supply.
E. (E) Experts on prehistoric climate conditions believe that winter temperatures in the prehistoric northern arctic were not significantly different from what they are today.

[单项选择]A. Because we were taught so by our parents from our childhood.
B. Because we are deceived by our sense of vision.
C. Because it is a common natural phenomenon.
D. Because it is a truth proved by science.

[单项选择]Questions 15-18A. Because there were fewer fish in the river.
B. Because over-fishing was prohibited.
C. Because the local Chamber of Commerce tried preserve fishes.
D. Because the local fishing cooperative decided to reduce its catch.

[填空题]Because they were foreigners, the tourists ______ (被拒绝进入) the military exhibition.

[填空题]We are fully aware of freedom because we were born free, we live free and we will die free:

[单项选择]Why didn’t they see the movie[A] Because they were late.[B] Because the movie was over.[C] Because the movie was not being shown last night.

[单项选择]The rain ________ our spirits because we were planning to go for a picnic.
A. decreased
B. dampened
C. moistened
D. hampered

[多项选择]Orders were delayed and customers complained.
But if ______

[单项选择]Because the workers were new and inexperienced, the manager had to watch them and （）their work closely.
A. attend
B. demand
C. analyze
D. supervise

[单项选择]A. Because the Iranians were not good at making money.
B. Because she wasn’t rich yet as a college student.
C. Because she felt thankful for having the chance to visit Iran.
D. Because she had acquired the good Iranian personality.

[填空题]Because the other witnesses were killed mysteriously，he ______(成了这个案件中唯一的证人)．

[单项选择]The mail was (delayed) for a week because of the flood.
A. held down
B. held in
C. held off
D. held on