简答题：Complete the sentences with the verbs in brackets in the cor

题目内容：

Complete the sentences with the verbs in brackets in the correct form.
While he __________ the box, he _____________ it on his foot. (carry/drop)

参考答案：

答案解析：

维生素 D 缺乏病由骨样组织增生所致的骨骼改变为

维生素 D 缺乏病由骨样组织增生所致的骨骼改变为A．方颅 B．肋膈沟（赫氏沟） C．鸡胸或漏斗胸 D．“O”形腿或“X”形腿 E．脊椎后突或侧弯

分类：初级题型：简答题

If we _______ (use) recycled plastic, we _________(reduce) our CO2 emissions.

分类：初级题型：简答题

The plant's output __________(not/increase) any further. It's not possible to pr

分类：初级题型：简答题

The seats were __________ on the train and I could walk around easily.

分类：初级题型：简答题

下列技术中，不属于宽带城域网QoS保证技术的是（　　）。 A．DiffServ B．MPLS C．PSTN D．RSVP

分类：初级题型：简答题