Edwards 综合征核型为()
A.47,XX(XY),+18
B.47,XX(XY),+14
C.47,XX(XY),+13
D.47,XX(XY),+20
E.47,XX(XY),+8
47XX(XY)+18
A.47,XX(XY),+18
B.47,XX(XY),+14
C.47,XX(XY),+13
D.47,XX(XY),+20
E.47,XX(XY),+8
47XX(XY)+18
A.46,XX(XY),-14,+t(14q21q)
B.46,XX(XY),-21+t (21q21q)
C.47,XX(XY),+21
D.46,XX(XY)/47,XX(XY)+21
A.47,XX(XY),+21
B.46,XX(XY)
C.46,XX(XY),-14,+t(14q21q)
D.46,XX(XY),-21,+t(21q21q)
E.46,XX(XY),-14,+t(14q14q)
At the beginning of 1969, the United States set up a group that specially researched the development direction of spaceflight with 【5】 for the next stage,【6】by deputy president. After【7】and research, it suggested that an aero craft with great benefits in【8】should be made, eg【9】the spaceflight being its leading stanchion. In this project, five orbit implements were prescribed to be made, 【10】" Exploitation", " Columbia", " Challenger", "Discovery" and "Atlands".
In 1970, spaceflight got into an all-round【11】of research and manufacture. The whole-project had to delay more than three years. Five orbit implements were【12】to be four and flight experiment for six times was also decreased for four,【13】the number of production was cut down, according to the original scheme. In April 1971 this【14】was decided that Kennedy Space Centre was used for the launching and landing port for space shuttles, and Edwards Air Base was used for the 【15】 landing port. In February 1977,"Exploitation" Orbit Implement started to have entering and landing experiment sin Edwards Air Base. From May 12, 1981 to July 4, 1982, "Columbia" Space Shuttle successfully finished four flight experiments for research and manufacture,【16】meant that the【17】and manufactures were over in【18】form.
It【19】about 12 years and cost more than 75 billion US dollars to finish the whole project. On November 11, 1990, space shuttles began to fly for【20】.
(1)
A.what
B.which
C.where
D.that
Mrs. Edwards went back to the supermarket ______.
A.angrily
B.eagerly
C.quickly
D.willingly
Although many colonial scholars consider Jonathan Edwards an important writer, anymore.
A.though few people read his novels
B.but few people read his work
C.and his works are not widely read
D.his works are not widely read
The lesson Edwards and Clark learned then_________ is the more down-to-earth guy won.
A. that
B. what
C. why
D. only
Mrs. Edwards' husband tried to ______.
A.make her unhappy
B.cheer her up
C.stop her buying things
D.fill all her cupboards