相亲 b_______ d______
相亲 b_______ d______
It’s a delicate b_______(平衡).
It’s a delicate b_______(平衡).
b_______(n.)棒球,棒球运动
b_______(n.)棒球,棒球运动
5. B_______ scream was still haunting witness to the accident.
5. B_______ scream was still haunting witness to the accident.
The boy once said, “My father and I only b_______ here.”
The boy once said, “My father and I only b_______ here.”
中国大学MOOC: An essay consists of three parts, which are introduction, b_______ and conclusion.
中国大学MOOC: An essay consists of three parts, which are introduction, b_______ and conclusion.
中国大学MOOC: Once you sign the agreement, you will be b_______ by the terms and conditions in it.
中国大学MOOC: Once you sign the agreement, you will be b_______ by the terms and conditions in it.
根据首字母补全单词（已给出的首字母不能重复） CB(控制总线) C_______ B_______
根据首字母补全单词（已给出的首字母不能重复） CB(控制总线) C_______ B_______
Finally, Orwell draws his conclusion that ours is a __c_________ age partly because we have such an exceptionally heavy __b_______ of knowledge.
Finally, Orwell draws his conclusion that ours is a __c_________ age partly because we have such an exceptionally heavy __b_______ of knowledge.
周期表中相邻的A、B、C三元素中，A、B同周期，A、C同主族。已知三种元素的原子最外层电子数之和为19，三种元素的原子核中质子数之和为41。则这三种元素是A______、B_______、C________(填元素符号)。
周期表中相邻的A、B、C三元素中，A、B同周期，A、C同主族。已知三种元素的原子最外层电子数之和为19，三种元素的原子核中质子数之和为41。则这三种元素是A______、B_______、C________(填元素符号)。