更多"In 1999 when MiShel and Carl Meissn"的相关试题:
[单项选择]In 1999 when MiShel and Carl Meissner decided to have children, they tackled the next big issue: Should they try to have a girl It was no small matter. MiShel’s brother had become blind from a hereditary condition in his early 20s, and the Meissners had learned that the condition is a disorder passed from mothers to sons. If they had a boy, he would have a 50 per cent chance of having the condition. A girl would be unaffected. The British couple’s inquiries about sex selection led them to Virginia, US, where a new sperm-separation technique, called MicroSort, was experimental at the time. When MiShel became pregnant she gave birth to a daughter. Now they will try to have a second daughter using the same technique.
The technique separates sperm into two groups—those that carry the X-chromosome (染色体) producing a female baby and those that carry the Y-chromosome producing a male baby.
The technology was developed in 1990s, but the opening of a laboratory in January 2003 in Calif
A. had already been well-developed
B. had not been declared successful
C. was available to those who wanted it
D. had been widely accepted in the medical world
[单项选择]When is Carl’s birthday
A. July 2.
B. July 22.
C. June 2.
[单项选择]The law is great mass of rules, showing when and how far a man is (47) to be punished, or to be made to hand over money or property to his neighbors, and so (48) These rules are contained in books. A lawyer learns them in the main (49) reading books.
He begins by doing little else than read, and after he has prepared himself by, say, three years’’ study to practise, (50) , all his life long and almost every day, he will be looking into books to read a little more than he ,already knows about some new question which he has to answer.
The (51) to use books, then, is a talent which the would be lawyer ought to possess. He ought to have enough flexibility and fineness of menial fibre to make it easy for him to collect ideas from (52) words. He ought to have some (53) in finding what a book contains, and something of an instinct for where to look for what he wants.
But (54) this is the power of which he will first feel the need, it is not the most important. A l
