下列科学家被尊称为“现代动物行为学之父”的是 [ ]
A.弗里斯
B.廷伯根
C.劳伦斯
D.法布尔
答案:C
第二节:语法填空 (共10小题;每小题1分,满分10分)
阅读下面短文,按照句子结构的语法性和上下文连贯的要求,在空格处填入一个适当的词或使用括号中词语的正确形式填空,并将答案填写在答题卡标号为31-40的相应位置上。
Many patients who don’t want to tell their doctor how much they really drink are often more honest with a computer. The computer __31__ (use) for this purpose is programmed to be friendly. For example, if a patient called Ann says that __32__ her parents are dead, the computer will say: “I’m sorry to hear that, Ann.” Apart from expressing sympathy, the computer __33___ also question and remind. If a patient says he __34__ drinks alcohol, the computer can ask him, “Never? Not even at parties or at Christmas?” Does this direct contact __35__the patient and the computer mean that we do not need doctors any more?
It depends. Computers are useful __36__ they do not look shocked if you say you drink two bottles of whisky __37__day. And they do not stop to talk on the phone as doctors often do.
But ___38___ a doctor said, “We smile and we give a patient a handkerchief or put arm around her shoulder if she __39__ (cry). That is ___40___ people will always want us.”
在“测滑轮组机械效率”的实验中,用同一滑轮组进行了两次实验,实验数据如下表所示:
(l)在表格的空格处.填上合适的数据.
(2)在图中用笔画线代替细绳组装滑轮组.
(3)第1次实验测得滑轮组的机械效率为 。
(4)如果将重为3N的钩码挂在同一滑轮组下,根据题中已有的信息可以判断出这时滑轮组的机械效率应在 范围内.
(5)实验时,应使弹簧测力计做___ 运动.小刚同学在弹簧测力计静止时进行读数,则他这样得出的机械效率与实际值相比 (填“偏小”、“偏大”或“相等”).