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【单选题】
Only united efforts can ______.A.
make an effort
B.
make a point
C.
make a contribution
D.
make a difference
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反馈参考答案：
举一反三
【单选题】Cary is hoping to____ new opportunities in Europe.
A.
expose
B.
explore
C.
exploit
D.
Explode
【多选题】下列车辆 / 台架等设备操作正确的是
A.
任何时间操纵电气设备时，都应注意用电安全。作业结束之后，应及时切断一切用电设备的电源
B.
车辆进入车间内，应停放至指定地点，熄灭发动机，将变速器至于空挡位置，并拉紧驻车制动，台架应将滑轮锁死或用木块固定
C.
操作前应熟读维修手册中的操作标准和台架、仪器、设备使用标准、并做好日常维护工作
D.
维修操作前，应铺设三件套及翼子板布，发动机启动前应确保其他实训人员远离车辆周围，然后可以维修操作
【简答题】He says the current interest in straw bale houses is a direct _______ to the problem of climate change. (response; accomplishment; community; faculty; resources)
【单选题】What does the professor imply when he says this :
A.
The current age estimates for the South Pole-Aitken Basin are based on incorrect assumptions.
B.
The technology to analyze Moon rocks has not advanced much since the days of the Moon landings
C.
Too few of the original Moon-rock samples were dated accurately
D.
Only by testing samples from South Pole-Aitken Basin can its age be precisely determined
【单选题】下列哪个不属于数学建模的基本环节( )。
A.
创设问题情境，激发求知欲
B.
研究模型，形成数学知识
C.
解决实际应用问题，享受成功喜悦
D.
观察分析，体会数学应用价值
【单选题】He says the current interest in straw bale houses is a direct ________ to the problem of climate change.
A.
respond
B.
response
C.
responsible
D.
responsibly
【单选题】如图,工人师傅在工程施工中,需在同一平面内弯制一个变形管道ABCD,使其拐角∠ABC=150°,∠BCD=30°,则( )
A.
AB∥BC
B.
BC∥CD
C.
AB∥DC
D.
AB与CD相交
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