【单选题】Which of the following would best replace the word 'canny' used in paragraph 2?
【简答题】请从下列各组单词中选出不同类的一项。 ( ) 1. A. clever ( ) 2. A. father ( ) 3. A. bird ( ) 4. A. she ( ) 5. A. he B. naughty B. teacher B. panda B. this B. She C. little C. mother C. parrot C. that C...
【单选题】若浮心与重心的纵向坐标之差不超过船长的 ,则可认为船舶已处于平衡状态,否则须进行纵倾调整。
【简答题】选出每组单词中不同类的一项。 ( ) 1. A. Wide ( ) 2. A. clever ( ) 3. A. Big Ben ( ) 4. A. cute ( ) 5. A. this B. long B. bird B. Tower Bridge B. brother B. house C. river C. naughty C. beautiful ...
【简答题】出下列命题,其中正确命题的个数有 ( ) ①有一大批产品,已知次品率为 ,从中任取100件,必有10件次品; ②做7次抛硬币的试验,结果3次出现正面,因此正面出现的概率是 ; ③某事件发生的概率是随着试验次数的变化而变化的; ④若 ,则 是对立事件。 0 1 2 3
【单选题】在下面关于纵倾调整的叙述中,不正确的是 。
A.
一般说来 , 若浮心与重心纵向坐标之差不超过船长 L 的 0.1% , 则认为调整好了
B.
一般说来 , 若排水量与给定的船舶重量之差不超过排水量 Δ 的 0.5% , 则认为调整好了
C.
一般说来,若产生的弯矩最大误差大致不超过 5% Mmax ,则认为调整好了
D.
应根据第 2 次调整确定的首、尾吃水及对应的吃水线求出浮力分布曲线
【简答题】情景反应,听对话和问题,选择正确答语。 ( )1. A. Happy. B. Clever. C. Unhappy. ( )2. A. Because he had much homework to do. B. Because he was ill. C. Because he didn't want to read the book. ( )3. A. Her tele...
【简答题】选出与画线单词意思相近的词。 1. Please do not be rude . [ ] A. clever B. late C. careless D. bad mannered 2. Will the real king come forward? [ ] A. first B. young C. rich D. true 3. The donkey was beaten b...
【单选题】There was a woman in Detroit, who had two sons. She was worried about them, especially the younger one, Ben, 1 he was not doing well in school. Boys in his class made joked about him because he seemed...
【简答题】听短文,回答问题。 1. What do you think of Anna? A. Stupid. B. Polite. C. Clever. 2. Whom does Anna learn a lot from? A. Her mother. B. Her grandpa. C. Her grandma. 3. How did his mother feel when Anna laughed...