【单选题】根据波士顿矩阵,( )是厚利商品,指处于低增长率、高市场占有率象限内的商品群;其特点是销量大、利润率高、负债率低;可以为企业提供资金,而且由于增长率低,也无需增大投资。
【单选题】关于遗传对心理发展的影响,下列说法正确的是( )。
【单选题】()是女大学生成长和发展的自然前提和物质基础?
【单选题】听力原文:W: Hi, Professor Higgins. M: Hi, Julia. W: Would you be able to help me organize my essay? M: Certainly. What topic have you chosen? W: Women in Politics. M: That topic is very broad. I think you...
A.
Narrow down the topic of her article.
B.
Read and revise her essay.
C.
Provide some facts for her opinion,
D.
Give her some advice on writing a paper.
【简答题】人类和果蝇都是XY型性别决定的生物。在人类和果蝇中性染色体和性别的关系如表所示。 根据以上材料回答下列问题: (1)人类男性的性别取决于______染色体,该染色体上基因的遗传特点一般是_____________。 (2)性指数是指X染色体的数量和常染色体组数的比,果蝇的性别取决于性指数,当性指数≥1时,果蝇为_______性;当性指数≤0.5时,果蝇为_______性。 (3)某人性染色体组成为...
【单选题】关于遗传对心理发展的影响,下列说法正确的是( )。
【单选题】凸轮aqwaqwaq机构在工作中产生刚性冲击的原因_______
【单选题】关于遗传对心理发展的影响,下列说法正确的是().
【单选题】听力原文:W: Hi, Professor Higgins. M: Hi, Julia. W: Would you be able to help me organize my essay? M: Certainly. What topic have you chosen? W: Women in Politics. M: That topic is very broad. I think you...
A.
Narrow down the topic of her article.
B.
Read and revise her essay.
C.
Provide some facts for her opinion.
D.
Give her some advice on writing a paper.