疾病分类是为了（）。 A.资料收集、整理、分析和利用 B.资料收集、整理、统计和分析

Harvey was having his hair cut in a barber shop when a young boy entered the shop. The barber said to Harvey in a very low voice, "This is the silliest kid in the world. Watch while I show it to you." The barber put a dollar bill in one hand and two quarters(25美分) in the other, then called the boy over and asked, "Which do you want, son?" The boy took the quarters and left. "What did I tell you?" said the barber. "That kid never learns!"

Later, when Harvey left, he saw the same young boy coming out of an ice cream store. "Hey, son! May I ask you a question? Why did you take the quarters instead of the dollar bill?" The boy ate his ice cream and replied, "Because the day I take the dollar, the game's over!

小题1: The barber gave the boy money because he         .

A. wanted the boy to help him        B. loved the boy       C. wanted to prove(证明) his words.

小题2: The boy got          from the barber.

A. one dollar                      B. 50 cents(美分)               C. a quarter

小题3: The sentence “the game's over” here means         .

A. he can’t play the computer game any longer

B. he can never get money from the barber

C. he can never go to the barber shop

小题4:We can learn that          is the smartest one among the three people in this story.

A. the boy                        B. the barber                  C. Harvey

小题5: We can infer(推断) from the passage that         .

A. The young boy was the barber’s son       

B. Every time the boy got the money, he went to buy an ice cream.

C. The barber thought the boy wasn’t clever at all.

小明依据下列因素开展探究“种子萌发的外部条件” 实验，记录结果如下表，请判断下列推论正确的是

A．该实验研究的变量是光照

B．实验结论是种子萌发需要适宜温度

C．该实验研究的变量是水分

D．实验结论是种子萌发不需要光

为了不致使温度进一步下降，保证融合质量，应尽可能在融合纹部位开设冷却管道。

把空载变压器从电网中切除，将引起（）

A.激磁涌流

B.过电压

C.电压降

D.瞬间过电流

车辆行驶至转弯路段时，易引发事故的驾驶行为包括（）。

A.车辆占道行驶

B.在弯道内急转转向盘

C.在驶入弯道前不减速

D.车辆紧靠路右侧行驶