单选题：Questions are based on the following passage. Basic health i

Questions are based on the following passage.
Basic health interventions may significantly reduce deaths among young children with sickle cell anemia ( 镰状细胞血症) The illness causes the body to produce sickle or disc shaped red blood cells making it difficult for them to (36)_________oxygen from the lungs． The number of newborns with the inherited blood disease is increasing, (37)_________in sub-Saharan Africa.
A new study in PLOS Medicine says by 2050 over 400-thousand babies will be born every year with sickle cell anemia Sherry Webb is given an (38)_________ for pain relief by a nurse at the Sickle Cell Center in Truman Medical Center, Wednesday, March 7, 2007 in Kansas City． Pain management is vital in the care of patients (39)_________ from Sickle Cell disease． That's an increase of about 100-thousand per year． Most of those births will occur in Nigeria, Democratic Republic of Congo and India The three countries (40)_________for 75 percent of sickle cell newborns in 2010． Dr． Frederic Piel led the research by the University of Oxford in Kenya .
"It's a genetic disorder and if you (41)_________one copy of the gene from one of your parents, you don't have any symptoms and you're called a (42)_________or a heterozygote individual． If you inherit two copies from your parents, then you have sickle cell anemia, which is quite.
(43)_________and lethal in countries where there is no treatment (44)_________," he said .
It was initially limited to malaria endemic areas, but because of population (45)_________it's now common in many other parts of the world So this is clearly a global burden and it's going to increase．
A．accounted
B．inherit
C．several
D．available
E．enlargement
F．transport
G．experiment
H．carder
I．suffering
J．send
K．injection
L．possible
M．movement
N．especially
O．severe
第36题应填________