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【单选题】
In this section, you will hear a short conversations. At the end of the conversation, one question will be asked about what was said. Both the conversation and the question will be spoken only once. After the question there will be a pause. During the pause, you must read the four choices marked A), B), C) and D), and decide which is the best answer.A.
At Mary Johnson's.
B.
At a painter's studio.
C.
In an exhibition hall.
D.
Outside an art gallery.
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反馈参考答案：
举一反三
【简答题】机动车应设置足以使其减速、停车和驻车的制动系统或装置，且行车制动的控制装置与（）的控制装置应相互独立。
【多选题】对制动系基本要求叙述正确的是()
A.
机动车应设置足以使其减速、停车和驻车的制动系统或装置，且行车制动的控制装置与驻车制动的控制装置应相互独立
B.
制动系统的机构和装置应经久耐用，不会因振动或冲击而损坏
C.
制动系统的各种杆件不应与其他部件在相对位移中发生干涉、摩擦，以防杆件变形、损坏
D.
制动软管不应与其他部件干涉且不应有老化、开裂、被压扁、鼓包等现象
E.
制动管路应有适当的安全防护，以避免擦伤、缠绕或其他机械损伤，同时应避免安装在可能与机动车排气管或任何高温源接触的地方
【单选题】Animals are part of nature. _____ should be well prepared.
A.
and
B.
or
C.
but
D.
while
【简答题】双 侧电二位五通换向阀左侧的电磁阀 工作时,换向阀动作,气流经过 口进入节流阀 。
【单选题】There are many reasons for animals _____ but the most important one is the part _____ humans have played. [ ]
A.
die out, that
B.
dying out, that
C.
died away, which
D.
dying down, which
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