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【简答题】
Section A Directions: You are required to select one word for each blank from a list of choices given in a word bank following the passage. Read the passage through carefully before making your choices. Each choice in the bank is identified by a letter. Please write the corresponding letter for each item in the table at the top of the paper. You may not use any of the words in the bank more than once. Many men and women have long bought into the idea that there are “male” and “female” brains, believing that explains just about every difference between the sexes. A new study (1) that belief, questioning whether brains really can be distinguished by gender. In the study, Tel Aviv University researchers (2) for sex differences the entire human brain. And what did they find? Not much. Rather than offer evidence for (3) brains as “male” or “female,” research shows that brains fall into a wide range, with most people falling right in the middle. Daphna Joel, who led the study, said her research found that while there are some gender-based (4) , many different types of brain can’t always be distinguished by gender. While the “average” male and “average” female brains were (5) different, you couldn’t tell it by looking at individual brain scans. Only a small (6) of people had “all-male” or “all-female” characteristics. Larry Cahill, an American neuroscientist ( 神经科学家 ),said the study is an important addition to a growing body of research questioning (7) beliefs about gender and brain function. But he cautioned against concluding from this study that all brains are the same, (8) of gender. “There’s a mountain of evidence (9) the importance of sex influences at all levels of brain function,” he told The Seattle Times. If anything, he said, the study (10) that gender plays a very important role in the brain “even when we are not clear exactly how.” A) abnormal B) applied C) briefly D) categorizing E) challenges F) figure G) percentage H) proving I) regardless J) searched K) similarities L) slightly M) suggests N) tastes O) traditional
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参考答案:
举一反三
【简答题】比例分为原值比例、 、缩小比例。1:1为原值比例,2:1为 比例。
【简答题】比例分为原值比例,放大比例和缩小比例,如1:1为原值比例,2:1为 比例,而1:2则为缩小比例。
【简答题】已知y=y 1 +y 2 ,其中y 1 与 1 x 成反比例且比例系数为k 1 ,y 2 与x 2 成正比例且比例系数为k 2 ,若x=-1时,y=0,则k 1 与k 2 的关系为______.
【单选题】有摩阻的超声速绝热管流,沿程 ( )。
A.
v增大;
B.
p减小;
C.
ρ增大;
D.
T下降。
【简答题】已知y与3m成反比例,比例系数为k 1 ,m又与6x成正比例,比例系数为k 2 ,那么y与x成____函数,比例系数为____.
【简答题】下面( )是不正确的。
【判断题】机械是机器与机构的总称。答案:
A.
正确
B.
错误
【简答题】比例1:2为 比例,2:1为 比例。
【单选题】关于乱挡原因,下列说法错误的是( )
A.
互锁装置失效;如拔叉轴,互锁销或互锁钢球磨损过大。
B.
变速杆下端弧形工作面磨损过大或拔叉轴上拔块的凹槽磨损过大。
C.
变速杆球头定位销折断或球孔、球头磨损过于松旷
D.
自锁装置的钢球或凹槽磨损严重,自锁弹簧疲劳过软或折断
【单选题】关于乱挡原因,下列说法错误的是()。
A.
互锁装置失效:如拨叉轴、互锁销或互锁钢球磨损过大
B.
变速杆下端弧形工作面磨损过大或拨叉轴上拨块的凹槽磨损过大
C.
变速杆球头定位销折断或球孔、球头磨损过于松旷
D.
自锁装置的钢球或凹槽磨损严重,自锁弹簧疲劳过软或折断
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