我国民间所说的黎明时分的启明星和傍晚时分的长庚星都是指的一种星体，它是哪种星体（）。

请用所给动词的适当形式填空。

1. I often __________ (go) to school by bus, but my sister Jane often __________ (go) to school on foot.

2. Linda usually __________ (have) lunch at home, but her friend Lily usually __________ (have) lunch at

    school.

3. My parents often __________ (say) to me, " Please __________ (work) hard at your lessons, then you can

    enjoy yourself."

4. __________ (do) Amy often __________ (do) her homework in the evening? Yes, she __________ (do).

5. He doesn't __________ (like) math.

在方框中填上合适的光学元件，注意位置要放正确．

慢粒白血病下列错误的是（）

A.晚期骨髓内纤维组织增多

B.中性粒细胞碱性磷酸酶慢性期增多急性期下降

C.骨髓中原始细胞<10％，而以中晚幼粒细胞为主

D.血清维生素B₁₂浓度增高

E.周围血中中性粒细胞百分数增多

用好“三张清单”，找准权力边界。其中单旨在放宽市场准入，针对企业的是（）。

A.正面清单

B.权力清单

C.责任清单

D.负面清单

加速踏板保持在某一位置不变时，发动机转速产生忽高忽低的现象称为游车。