Why Cancer is So Hard to Cure
Cancer is very hard to cure / because it is complicated / and can be

がんを治療するのはとても難しい / なぜなら、がんは複雑で / さまざまな点で異なdifferent in many ways. // One big reason is that / cancer is not just one disease

るからだ// 大きな理由のひとつは / がんがただ単にひとつの病気ではなく / 関連す/ but a group of related diseases. // Each type of cancer, / like breast, lung, orる病気のグループであるということだ// それぞれのがんには / 乳がん、 肺がん、前prostate cancer, / has its own unique features, / making a universal cure difficult

立腺がんなど / それぞれ独特な特徴を持ち / （それらが）普遍的な治療法を開発する

to develop. //のを困難にしている//

Another reason is the genetic differences / within cancer cells.// As

もう 1 つの理由は遺伝的多様性である / がん細胞内の// がんが増殖するにつれて/cancer grows, / the cells can change quickly, / leading to a mixed group of cells

細胞は急速に変化し / １つの腫瘍に複数の細胞が混在するようになる//

in one tumor.// These differences allow some cells to resist treatment, / survive,

このような違いにより、一部の細胞は治療に抵抗し / 生き残り / 増殖を続けることが/ and keep growing. //できる//

Also, / cancer can spread / to other parts of the body, / making treatmentさらに / がんは広がる可能性がある / 体の他の部位に / そうすると治療がさらにharder. // When cancer cells move from the original site to other organs, / it

難しくなる// がん細胞が元の部位から他の臓器に移動すると/ より難しくなる/ すべbecomes more challenging / to target and get rid of all cancerous cells. //てのがん細胞を標的とし、取り除くことが//Additionally, / chemical and radiation treatments / can be very toughさらに / 化学療法と放射線治療は / 体には非常に厳しいもので /しばしば悪い副on the body, / often causing bad side effects / and sometimes hurting healthy

作用を引き起こし / 時には健康な細胞を傷つけることもある。// バランスを取ること

cells. // Balancing / between killing cancer cells and saving normal cells/ is tricky

は / がん細胞を殺し、正常な細胞を救うことの/ 厄介で難しいことだ。//

and hard to do.//Total Number of words used

Vocabulary and Phrases
cure

治療する

treatment

治療：

unique

独特のsurvive

生き残るTime for 100 wpm

feature特徴target

標的にする

universal 普遍的な

get rid of 根絶する

：

169

words

101.4

genetic

遺伝的 / 遺伝のtough

厳しいTime for 120 wpm

tumor

腫瘍（しゅよう）side effect副作用：：できもの、はれもの
resist

抵抗する

84.5

sec.

sec.

Your BEST TIME：＿＿＿＿＿ sec.

※無断複製禁止 All rights reserved.

＊裏面の問題は音読を毎回 40 分以上反復してから挑戦しましょう＊

【Q&A / A&Q】

【Listen & Fill Blank】』』

Cancer is very hard to _________ because it is complicatedQuestion 1: What types of cancer are mentioned in the text?

and can be different in many ways. One big reason is that ___________
is not just one disease but a group of related _______________. Each
type of cancer, like ___________, lung, or prostate cancer, has its own

Question 2: Why is it hard to target and remove all cancerous cells?

__________ _______________, making a _____________ cure difficult todevelop.
Another reason is the _____________ differences within cancer
cells. As cancer grows, the cells can change quickly, leading to a

Question 3: Is it always safe to treat cancer with chemotherapy andradiation?

__________ group of cells in one ____________. These differences allow
some cells to __________ treatment, _____________, and keep growing.
Also, cancer can ______________ to other parts of the body,Ask 1: Cancer についての質問を英語で書いてください。

making treatment harder. When cancer cells move from the originalsite to other organs, it becomes more challenging to __________ and________ _________ ________ all cancerous cells.
Additionally,________________

andAsk 2: Cancer treatment についての質問を英語で書いてください。

________________

treatments can be very ____________ on the body, often causing badsideeffectsandsometimes

hurting_____________

cells.

________________ between killing cancer cells and saving normal cells
is _____________ and hard to do.

Ask 3: 本文について知りたいことを英語で書いてください。

Sample Answer 1: Breast, lung and prostate cancers.

Sample Answer 2: Because cancer can metastasize from the original tumor
site to other parts of the body.

Sample Answer 3: No. These treatments can be very harsh on the body,often causing bad side effects, and sometimes hurting healthy cells.

Sample Question 1: What is the cause of cancer?
How fast does cancer metastasize?

Sample Question 2: Are there any other cancer treatments?
How does an oncologist (doctor who treats cancer patients) decide which
treatment to use?

Sample Question 3: Is it possible to find a universal cure in the future?
How many deaths are caused by cancer every year?