1. It's quarter past seven. (现在是)七点十五分。
点拨 “quarter past＋钟点”是表达时间的句型，意为“……点过一刻/十五分”。
quarter 表示“一刻钟，十五分钟”，past表示“过”，用于30分钟以内的时间表达。
It's quarter past two now. 现在是两点十五分。
▷迁移
现在是八点十五分。
It's eight now.

1. quarter past

2. He’s going to start work in the plant. 他打算在这个植物体内开始工作。
点拨 “be going to＋动词原形”是一般将来时句型，表示“打算、将要做某事”，后接动词原形，表示将来发生的动作。
I’m going to read English this morning.
我打算今天早晨读英语。
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They (go) to plant trees this weekend.

2. are going

3. They collect sunlight and CO₂ during the day. 它们在白天收集阳光和二氧化碳。
点拨 “during the day”意为“在白天，在日间”，相当于 in the daytime。
during 表示“在……期间”，后接名词性时间短语，作状语。
We often take exercise during the break.
我们经常在课间锻炼。
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He likes reading books the holiday.

3. during

4. The water will rise up to the Leaf through the Stem. 水分会通过茎干向上输送到叶片。
点拨 •“rise up to＋地点”意为“上升到，向上到达某地”。
•“through＋物体”表示“从物体内部穿过，通过”，强调从内部空间穿过，区别于across(从物体表面穿过)。
The river runs through the forest. 这条河流穿过森林。
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(1) The sunlight comes the window.
(2) We walk the street to get to school.

4. (1) through (2) across