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【单选题】
_____still needs to be discussed.A.
How is the plan to be carried out
B.
How the plan is to be carried out
C.
Why is the plan carried out
D.
Why the plan carried out
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【简答题】A. newly-founded B. new-found C. newly-found D. new-founded
【单选题】Scientists say they have found key clues into how long we will live. One of them is a【C1】______handshake. British researchers believe a strong grip is not just a sign of confidence but also an【C2】____...
A.
firm
B.
loose
C.
warm
D.
friendly
【单选题】Scientists say they have found key clues into how long we will live. One of them is a (1)________ handshake. British researchers believe a strong grip is not just a sign of confidence but also an (2) ...
A.
firm
B.
loose
C.
warm
D.
friendly
【单选题】In the United States today, coffee is a more popular drink (1)_____ tea, but tea played (2)_____ interesting part in the history of the United States. Before they won their (3)_____ from Britain, the ...
A.
from
B.
against
C.
compared
D.
than
【单选题】Mr. Wells has found some new clues in his investigation, ______ of great importance to solve this criminal case.
A.
I think which is
B.
that I think is
C.
which I think is
D.
which I think it is
【单选题】Walking around, I found the city was full of people _________ for the New Year’s festival.
A.
making up
B.
make up
C.
to dress up
D.
dressed up
【简答题】4 钋 放 射 的 一 种 a 粒 子 的 速 度 为 1.59 7 ́ 1 0 7 米 / 秒 , 正 面 垂 直 入 射 于 厚 度 为 1 0 - 7 米 、 密 度 为 1.93 2 ́ 1 0 4 公 斤 / 米 3 的 金 箔 。 试 求 所 有 散 射 在 q > 9 0 o 的 a 粒 子 占 全 部 入 射 粒 子数 的 百 分 比 。 已 知 金 的 原 子 量 为 19 ...
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