马克思主义政治经济学的逻辑起点是（）。 A.商品拜物教 B.社会分工 C.社会关系的

便秘与腹泻交替出现应注意（）

A.肠肿瘤

B.溃疡性结肠炎

C.肠结核

D.肠易激综合征

E.肠梗阻

In an inversion heterozygote. one of its chromosomes shows the following linkage relationship:

In the homologous chromosome, there exists an inversion in the region

(1)What type of inversion is it
(2)Please draw a synaptic scheme(联会图)of these two chromosomes.
(3)If in the inverted chromosome region there is a lethal gene D at d locus, and in the normal(i.e., without inversion)chromosome there is another lethal gene F at f locus. How much of F₁ individuals will be double(both at d and f loci) heterozygote when the inversion heterozygote self-crosses Why

蓝牙技术的工作频率在国际开放的ISM2.4GHZ上。为了避免相同频率电子设备之间的干扰，蓝牙技术采用了（）。

深度视锐

瞿麦具有的功效是（）

A.利水渗湿，健脾止泻

B.利尿通淋，渗湿止泻

C.化湿行气，温中止泻

D.清热解毒，燥湿止泻

E.利水通淋，通经活血