题干
The museum will not ______people today because it's being repaired.
A：be closed to
B：be open to
C：be popular to
D： be opened to
答案(点此获取答案解析）
B
The museum will not ______people today because it's being repaired.
A：be closed to
B：be open to
C：be popular to
D： be opened to
的解集为
，则
的解集为（ ）
合非糯性品种杂交，取F1的花粉用碘液染色，凡非糯性花粉呈蓝色，糯性花粉呈棕红色。在显微镜下统计这两花粉的数量，非糯性与糯性的比例为 （ ）