[单项选择]These circumstances were far from being ordinary and Smith had a ______ reason for being here personally.
A. twofold
B. couple
C. bilateral
D. doubling

[单项选择]A. It’s far from being ready. B. It contains some valuable ideas.
C. She needs another week to get it ready. D. It has nothing to do with the Intemet.

[单项选择]A. It’s far from being ready.
B. It contains some valuable ideas.
C. She needs another week to get it ready.
D. It has nothing to do with the internet.

[单项选择]The parents of a child being discharged from the day surgery center after insertion of tympanostomy tubes ask the nurse. "What will happen to the tubes in my child’s ears" Which of the following would be the nurse’s best response
A. "The tubes usually dissolve on their own in about 1 year. "
B. "The tubes must remain permanently in place. "
C. "You’ll probably see them fall out in about 6 months. "
D. "Call for an appointment to have them removed in about 6 months. /

[填空题]They were, by far, the largest and most distant objects that scientists had ever detected: a strip of enormous cosmic cloud some 15 billion light-years from earth. 71. But even more important, it was the farthest that scientists had been able to look into the past, for what they were seeing were the patterns and structures that existed 15 billion years ago. That was just about the moment that the universe was born. What the researchers found was at once both amazing and expected: the US National Aeronautics and Space Administration’’s Cosmic Background Explorer satellite―Cobe―had discovered landmark evidence that the universe did in fact begin with the primeval explosion that has become known as the Big Bang (the theory that the universe originated in an explosion from a single mass of energy). 　　72. The existence of the giant clouds was virtually required for the Big Bang, first put forward in the 1920s,to maintain its reign as the dominant explanation of the cosmos. According to the