题目内容：
根据下列文章,请回答题。What IS Cancer?Cancer is actually a group of many relateddiseases that all have to do with cells．Cells are the very small。units thatmake up all_______ (1) things，including the human body．There are billions ofcells_______ (2)each parson’s body．Cancer happens when cells that are not normalgrow_______ (3)spread very fast．Normalbody cells grow and divide and know when to stop growin9．Over time，they alsodie_______ (4)these normal cells，cancer cells just continue to grow and divide outof control and don’t die．Cancer cells usually group together to form tumors(肿瘤)． A growing tumor becomes a lump of cancer cells_______ (5)can destroy the normalcells around the_______ (6)and damage the body’s healthy tissues．This can makesomeone very_______ (7)．
Sometimes cancer cells break away from theoriginal tumor and travel to other areas of the_______ (8)。where they keepgrowing and can go on to form new tumors．This is how cancer_______ (9)．Thespread of a tumor to a new place in the body is_______ (10)metastasis(转移)．Peoplewith cancer may feel pretty sick at times——but can usually still do lots of normalthings．_______ (11)they are very sick，kids and teenagers with cancer may stillbe able to go to sch001．They may be tired or bruise(出现青肿)easily, but they_______(12)sometimes go t0 camp．movies．and sleepover(在外过夜的)parties．People with cancer stilllike the same things they did _______(13)they got sick．
Cancer in kids is rare——but today, manykids who do get cancer go on living normal lives．The number of kids who beatcancer goes _______ (14)every year because of new cancer treatments。So a lot ofkids with cancer will some day drive cars，go to college，have careers，and evenget_______ (15)and have families of their own． A．living
B．nice
C．big
D．whole
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