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Directions : Please choose the correct answer according to the picture![Directions : Please choose the correct answer acco](https://img2.soutiyun.com/shangxueba/ask/19464001-19467000/19465239/52c6448-chaoxing2016-297546.png)
A.scratch
B.fever
C.allergy
D.cavity
A.scratch
B.fever
C.allergy
D.cavity
Which of the following sentences is not related to the topic of the paragraph? "Daredevil sports are also becoming popular. Young people especially are increasingly willing to risk life and limb while mountain biking, backgcountry snowboarding, or high-speed skateboarding. Soccer is also popular in the United States now, although football is still more popular. One of the riskiest new sports is skysurfing, in which people jump out of airplanes with boards attached to their feet. Skysurfing rivals skydiving and bungee jumping for the amount of thrills and risk."
A、Young people especially are increasingly willing to risk life and limb while mountain biking, backgcountry snowboarding, or high-speed skateboarding.
B、Soccer is also popular in the United States now, although football is still more popular.
C、One of the riskiest new sports is skysurfing, in which people jump out of airplanes with boards attached to their feet.
D、Skysurfing rivals skydiving and bungee jumping for the amount of thrills and risk.
A、Synthesized mainly in liver and bone marrow.
B、Materials are succinyl-CoA, glycine and Fe2+.
C、The initial reaction and the last three occur in mitochondrion.
D、The key enzyme is ALA synthase.
A、Abundance.
B、Prosperity.
C、Happiness.
D、Unity.
A、White
B、Ferrous
C、Nonferrous
D、Noble
A、山上无老虎,猴子称大王
B、狐假虎威
C、黔驴技穷
D、狮子大开口
A、interphase
B、the process of mitosis
C、the process of meiosis
D、metaphase
Only after he had spent several nights working on the math problem____to wonder whether the problem was wrongly set. |
[ ] |
A. did he begin B. he began C. he did begin D. began he |
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