内容正文:
While winter camping can be quite funꎬ the colder weather can make a camping trip more dangerous. 5. F
Winter campers should always check on weather reports before they leave. A small weather radio is an excellent tool
to bring along. And its wise to take a guided winter camping trip for their first camping experience.
A. Being busy brings success.
B. It can give them more peace.
C. And choose to go with many friends.
D. Winter campers also need sleeping bags.
E. But not enough relaxation may be bad for health.
F. So its important to fully prepare for winter camping.
G. Like summer campingꎬ winter camping offers many activities.
Ⅳ. 语法填空
(2022无锡市质检)
The 2020 Nobel Prize in Chemistry 1. was awarded (award) to Emmanuelle Charpentier and Jennifer A.
Doudna. The two female scientists won the prize 2. for the development of a method of genome (基因组)
editing.
Gene editing has a wide 3. application (apply ) across the world. It can 4. directly (direct) change
the DNA of a life form and has the potential of leading to 5. beneficial (benefit)results.
One of the most convenient methods of gene editing is called CRISPR / Cas9ꎬ 6. which was discovered by
the two Nobel winners. The method enables scientists to cut a sequence of DNA into two piecesꎬ 7. allowing
(allow) nature to“repair” it. During the repair processꎬ errors will be introduced to create a different sequence
of DNAꎬthus resulting in an 8. edited (edit) gene.
In simple wordsꎬ CRISPR / Cas9 is the “scissors” of genes. The greatness of CRISPR / Cas9 lies in extreme
accuracy. It also enables humans to breed (培育) more plant varieties and develop better treatment of cancer.
In the futureꎬ the discovery 9. will be expected / is expected (expect) to have a revolutionary impact on
the life science and make the dream of curing some diseases come true.
There will be no traditional Nobel Awarding Ceremony in