問題詳情
小學、青少年階段身心發展不同，請依該二階段之「身體發展」、「心理認知發展」、「人格與社會發展」等特質加以說明。
參考答案
無參考答案
內容推薦
- 21．图中a、b是两个点电荷，它们的电量分别为QQ2，MN是ab连线的中垂线，P是中垂线上的一点。下列哪种情况能使P点场强方向指向MN的左侧？(A)QQ2都是正电荷，且Q1|Q2|(C) Q1
- 69．According to the author, being able to use multiplication tables is_______．(A)a result of ove
- 17．图中画出了氢原子的4个能级，并注明了相应的能量E。处在n=4的能级的一群氢原子向低能级跃迁时，能够发出若干种不同频率的光波。已知金属钾的逸出功为22eV。在这些光波中，能够从金属钾的表面打出
- 68．The author explains the law of overleaming by_________．(A)presenting research findings(B)sett
- 3．图中三条曲线分别代表了动物物种多样性程度、动物数量易变程度及冬眠动物比例在不同类型生态系统中的变化趋势。代表动物物种多样性程度和数量易变程度的曲线依次是(A)①② (B)②③(C)①③
- 9．NA代表阿伏加德罗常数，下列说法正确的是(A)在同温同压时，相同体积的任何气体单质所含的原子数目相同(B)2g氢气所含原子数目为NA(C)在常温常压下，2L氮气所含的原子数为NA(D)17g
- 17．图中画出了氢原子的4个能级，并注明了相应的能量E。处在n=4的能级的一群氢原子向低能级跃迁时，能够发出若干种不同频率的光波。已知金属钾的逸出功为22eV。在这些光波中，能够从金属钾的表面打出
- 20．处在匀强磁场中的矩形线圈abcd，以恒定的角速度绕ab边转动， 磁场方向平行于纸面并与ab垂直。在t=0时刻，线圈平面与纸面重合（如图），线圈的cd边离开纸面向外运动。若规定由a→b→c→d→a
- DGrown-ups are often surprised by how well they remember something they learned as children but have
- 15．一束复色光由空气射向玻璃，发生折射而分为a、b两束单色光，其传播方向如图所示。设玻璃对a、b的折射率分别为na和nb，a、b在玻璃中的传播速度分别为va和vb，则(A)na>nb (B)n
內容推薦
- 18．己知引力常量G、月球中心到地球中心的距离R和月球绕地球运行的周期T。仅利用这三个数据，可以估算的物理有(A)月球的质量 (B)地球的质量(C)地球的半径 (D)月球绕地球运行速度的大小
- 13．等质量的CuO和MgO粉末分别溶于相同体积的硝酸中，得到的Cu（NO3）2和Mg（NO3）2溶液的浓度分别为a mol•L-1和b mol•L-1。则a与b的关系为(A)a=b (B)a=2b
- 14．如图所示，位于光滑固定斜面上的小物块P受到一水平向右的推力F的作用。已知物块P沿斜面加速下滑。现保持的方向不变，使其减小，则加速度(A)一定变小(B)一定变大(C)一定不变(D)可能变小，可能变
- 20．处在匀强磁场中的矩形线圈abcd，以恒定的角速度绕ab边转动， 磁场方向平行于纸面并与ab垂直。在t=0时刻，线圈平面与纸面重合（如图），线圈的cd边离开纸面向外运动。若规定由a→b→c→d→a
- They might just have a place _______ on the writing course — why don't you give it a try?(A
- Try not to cough more than you can _______ since it may cause problems to your lungs.(A)check (B
- If we _______ now to protect the environment, we'll live to regret it.(A)hadn't acted
- "You can't judge a book by its cover," _______.(A)as the saying goes old (B)goes
- Tony can hardly boil an egg, still _______ cook dinner.(A)less (B)little (C)much (D) more
- It was a real race _______ time to get the project done. Luckily, we made it.(A)over (B)by (C)fo
- (A)hands (B)feet (C)keys (D) handles
- Police have found _______ appears to be the lost ancient statue.(A)which (B)where (C)how (D) wha
- (A)easy (B)heavy (C)major (D) extra
- The sunlight is white and blinding, _______ hard-edged shadows on the ground.(A)throwing (B)bein
- (A)place (B)action (C)play (D) effect
- When I first met Bryan I didn't like him, but I _______ my mind.(A)have changed (B)change (
- (A)forgotten (B)repeated (C)conducted (D) finished
- I went to a group activity, “Sensitivity Sunday”, which was to make us more 36 the problems faced by
- Where does this text probably come from?(A)Science fiction.(B)Children’s literature.(C)A adve
- (A)operation (B)communication (C)transportation (D) production
- The driver wanted to park his car near the roadside but was asked by the police _______.(A)not t
- (A)weaknesses (B)challenges (C)anxieties (D) illnesses
- (A)cure (B)prevent (C)adopt (D) analyze
- CIt happened to me recently. I was telling someone how much I had enjoyed reading Barack Obama’s Dea
- (A)exploration (B)education (C)experiment (D) entertainment